diff --git a/mindplot/src/main/javascript/libraries/less/less-1.1.3.min.js b/mindplot/src/main/javascript/libraries/less/less-1.1.3.min.js
deleted file mode 100644
index ac578485..00000000
--- a/mindplot/src/main/javascript/libraries/less/less-1.1.3.min.js
+++ /dev/null
@@ -1,971 +0,0 @@
-//
-// LESS - Leaner CSS v1.1.3
-// http://lesscss.org
-// 
-// Copyright (c) 2009-2011, Alexis Sellier
-// Licensed under the Apache 2.0 License.
-//
-//
-// LESS - Leaner CSS v1.1.3
-// http://lesscss.org
-// 
-// Copyright (c) 2009-2011, Alexis Sellier
-// Licensed under the Apache 2.0 License.
-//
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-            }).replace(/\{(\d)\}/g,
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-    }
-
-    function u(a) {
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-    }
-
-    function t(a) {
-        return a && a.parentNode.removeChild(a)
-    }
-
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-        try {
-            return new ActiveXObject("MSXML2.XMLHTTP.3.0")
-        } catch(b) {
-            u("browser doesn't support AJAX.");
-            return null
-        }
-    }
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-            throw new Error("Couldn't load " + b + " (" + a + ")")
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-    function c(b) {
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-            if (s("{") && (a = s(this.primary)) && s("}"))return a
-        },ruleset:function() {
-            var a = [],b,d,g;
-            p();
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-                a.push(b),s(this.comment);
-                if (!s(","))break;
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-            }
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-            i = c,q()
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-                if (d && s(this.end))return new e.Rule(a, d, k, h);
-                i = c,q()
-            }
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-        },directive:function() {
-            var a,d,f,g;
-            if (b.charAt(c) === "@") {
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-                if (a = s(/^@media|@page|@-[-a-z]+/)) {
-                    g = (s(/^[^{]+/) || "").trim();
-                    if (f = s(this.block))return new e.Directive(a + " " + g, f)
-                } else if (a = s(/^@[-a-z]+/))if (a === "@font-face") {
-                    if (f = s(this.block))return new e.Directive(a, f)
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-            }
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-                a.push(g);
-                if (!s(","))break
-            }
-            return new e.Value(a)
-        },value:function() {
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-            while (a = s(this.expression)) {
-                b.push(a);
-                if (!s(","))break
-            }
-            if (b.length > 0)return new e.Value(b)
-        },important:function() {
-            if (b.charAt(c) === "!")return s(/^! *important/)
-        },sub:function() {
-            var a;
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-        },multiplication:function() {
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-            if (a = s(this.operand)) {
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-                return d || a
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-        },addition:function() {
-            var a,d,f,g;
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-                return g || a
-            }
-        },operand:function() {
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-            var f = s(this.sub) || s(this.entities.dimension) || s(this.entities.color) || s(this.entities.variable) || s(this.entities.call);
-            return a ? new e.Operation("*", [new e.Dimension(-1),f]) : f
-        },expression:function() {
-            var a,b,c = [],d;
-            while (a = s(this.addition) || s(this.entity))c.push(a);
-            if (c.length > 0)return new e.Expression(c)
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-            var a;
-            if (a = s(/^(\*?-?[-a-z_0-9]+)\s*:/))return a[1]
-        }}}
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-    }),function(a) {
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-        }
-
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-            if (typeof b == "number")return b;
-            throw{error:"RuntimeError",message:"color functions take numbers as parameters"}
-        }
-
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-        }
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-            return this.rgba(a, b, c, 1)
-        },rgba:function(b, d, e, f) {
-            var g = [b,d,e].map(function(a) {
-                return c(a)
-            }),f = c(f);
-            return new a.Color(g, f)
-        },hsl:function(a, b, c) {
-            return this.hsla(a, b, c, 1)
-        },hsla:function(a, b, d, e) {
-            function h(a) {
-                a = a < 0 ? a + 1 : a > 1 ? a - 1 : a;
-                return a * 6 < 1 ? g + (f - g) * a * 6 : a * 2 < 1 ? f : a * 3 < 2 ? g + (f - g) * (2 / 3 - a) * 6 : g
-            }
-
-            a = c(a) % 360 / 360,b = c(b),d = c(d),e = c(e);
-            var f = d <= .5 ? d * (b + 1) : d + b - d * b,g = d * 2 - f;
-            return this.rgba(h(a + 1 / 3) * 255, h(a) * 255, h(a - 1 / 3) * 255, e)
-        },hue:function(b) {
-            return new a.Dimension(Math.round(b.toHSL().h))
-        },saturation:function(b) {
-            return new a.Dimension(Math.round(b.toHSL().s * 100), "%")
-        },lightness:function(b) {
-            return new a.Dimension(Math.round(b.toHSL().l * 100), "%")
-        },alpha:function(b) {
-            return new a.Dimension(b.toHSL().a)
-        },saturate:function(a, c) {
-            var e = a.toHSL();
-            e.s += c.value / 100,e.s = d(e.s);
-            return b(e)
-        },desaturate:function(a, c) {
-            var e = a.toHSL();
-            e.s -= c.value / 100,e.s = d(e.s);
-            return b(e)
-        },lighten:function(a, c) {
-            var e = a.toHSL();
-            e.l += c.value / 100,e.l = d(e.l);
-            return b(e)
-        },darken:function(a, c) {
-            var e = a.toHSL();
-            e.l -= c.value / 100,e.l = d(e.l);
-            return b(e)
-        },fadein:function(a, c) {
-            var e = a.toHSL();
-            e.a += c.value / 100,e.a = d(e.a);
-            return b(e)
-        },fadeout:function(a, c) {
-            var e = a.toHSL();
-            e.a -= c.value / 100,e.a = d(e.a);
-            return b(e)
-        },spin:function(a, c) {
-            var d = a.toHSL(),e = (d.h + c.value) % 360;
-            d.h = e < 0 ? 360 + e : e;
-            return b(d)
-        },mix:function(b, c, d) {
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-            return new a.Color(j, k)
-        },greyscale:function(b) {
-            return this.desaturate(b, new a.Dimension(100))
-        },e:function(b) {
-            return new a.Anonymous(b instanceof a.JavaScript ? b.evaluated : b)
-        },escape:function(b) {
-            return new a.Anonymous(encodeURI(b.value).replace(/=/g, "%3D").replace(/:/g, "%3A").replace(/#/g, "%23").replace(/;/g, "%3B").replace(/\(/g, "%28").replace(/\)/g, "%29"))
-        },"%":function(b) {
-            var c = Array.prototype.slice.call(arguments, 1),d = b.value;
-            for (var e = 0; e < c.length; e++)d = d.replace(/%[sda]/i, function(a) {
-                var b = a.match(/s/i) ? c[e].value : c[e].toCSS();
-                return a.match(/[A-Z]$/) ? encodeURIComponent(b) : b
-            });
-            d = d.replace(/%%/g, "%");
-            return new a.Quoted('"' + d + '"', d)
-        },round:function(b) {
-            if (b instanceof a.Dimension)return new a.Dimension(Math.round(c(b)), b.unit);
-            if (typeof b == "number")return Math.round(b);
-            throw{error:"RuntimeError",message:"math functions take numbers as parameters"}
-        }}
-    }(c("less/tree")),function(a) {
-        a.Alpha = function(a) {
-            this.value = a
-        },a.Alpha.prototype = {toCSS:function() {
-            return"alpha(opacity=" + (this.value.toCSS ? this.value.toCSS() : this.value) + ")"
-        },eval:function(a) {
-            this.value.eval && (this.value = this.value.eval(a));
-            return this
-        }}
-    }(c("less/tree")),function(a) {
-        a.Anonymous = function(a) {
-            this.value = a.value || a
-        },a.Anonymous.prototype = {toCSS:function() {
-            return this.value
-        },eval:function() {
-            return this
-        }}
-    }(c("less/tree")),function(a) {
-        a.Call = function(a, b, c) {
-            this.name = a,this.args = b,this.index = c
-        },a.Call.prototype = {eval:function(b) {
-            var c = this.args.map(function(a) {
-                return a.eval(b)
-            });
-            if (!(this.name in a.functions))return new a.Anonymous(this.name + "(" + c.map(
-                function(a) {
-                    return a.toCSS()
-                }).join(", ") + ")");
-            try {
-                return a.functions[this.name].apply(a.functions, c)
-            } catch(d) {
-                throw{message:"error evaluating function `" + this.name + "`",index:this.index}
-            }
-        },toCSS:function(a) {
-            return this.eval(a).toCSS()
-        }}
-    }(c("less/tree")),function(a) {
-        a.Color = function(a, b) {
-            Array.isArray(a) ? this.rgb = a : a.length == 6 ? this.rgb = a.match(/.{2}/g).map(function(a) {
-                return parseInt(a, 16)
-            }) : a.length == 8 ? (this.alpha = parseInt(a.substring(0, 2), 16) / 255,this.rgb = a.substr(2).match(/.{2}/g).map(function(a) {
-                return parseInt(a, 16)
-            })) : this.rgb = a.split("").map(function(a) {
-                return parseInt(a + a, 16)
-            }),this.alpha = typeof b == "number" ? b : 1
-        },a.Color.prototype = {eval:function() {
-            return this
-        },toCSS:function() {
-            return this.alpha < 1 ? "rgba(" + this.rgb.map(
-                function(a) {
-                    return Math.round(a)
-                }).concat(this.alpha).join(", ") + ")" : "#" + this.rgb.map(
-                function(a) {
-                    a = Math.round(a),a = (a > 255 ? 255 : a < 0 ? 0 : a).toString(16);
-                    return a.length === 1 ? "0" + a : a
-                }).join("")
-        },operate:function(b, c) {
-            var d = [];
-            c instanceof a.Color || (c = c.toColor());
-            for (var e = 0; e < 3; e++)d[e] = a.operate(b, this.rgb[e], c.rgb[e]);
-            return new a.Color(d, this.alpha + c.alpha)
-        },toHSL:function() {
-            var a = this.rgb[0] / 255,b = this.rgb[1] / 255,c = this.rgb[2] / 255,d = this.alpha,e = Math.max(a, b, c),f = Math.min(a, b, c),g,h,i = (e + f) / 2,j = e - f;
-            if (e === f)g = h = 0; else {
-                h = i > .5 ? j / (2 - e - f) : j / (e + f);
-                switch (e) {
-                    case a:
-                        g = (b - c) / j + (b < c ? 6 : 0);
-                        break;
-                    case b:
-                        g = (c - a) / j + 2;
-                        break;
-                    case c:
-                        g = (a - b) / j + 4
-                }
-                g /= 6
-            }
-            return{h:g * 360,s:h,l:i,a:d}
-        }}
-    }(c("less/tree")),function(a) {
-        a.Comment = function(a, b) {
-            this.value = a,this.silent = !!b
-        },a.Comment.prototype = {toCSS:function(a) {
-            return a.compress ? "" : this.value
-        },eval:function() {
-            return this
-        }}
-    }(c("less/tree")),function(a) {
-        a.Dimension = function(a, b) {
-            this.value = parseFloat(a),this.unit = b || null
-        },a.Dimension.prototype = {eval:function() {
-            return this
-        },toColor:function() {
-            return new a.Color([this.value,this.value,this.value])
-        },toCSS:function() {
-            var a = this.value + this.unit;
-            return a
-        },operate:function(b, c) {
-            return new a.Dimension(a.operate(b, this.value, c.value), this.unit || c.unit)
-        }}
-    }(c("less/tree")),function(a) {
-        a.Directive = function(b, c) {
-            this.name = b,Array.isArray(c) ? this.ruleset = new a.Ruleset([], c) : this.value = c
-        },a.Directive.prototype = {toCSS:function(a, b) {
-            if (this.ruleset) {
-                this.ruleset.root = !0;
-                return this.name + (b.compress ? "{" : " {\n  ") + this.ruleset.toCSS(a, b).trim().replace(/\n/g, "\n  ") + (b.compress ? "}" : "\n}\n")
-            }
-            return this.name + " " + this.value.toCSS() + ";\n"
-        },eval:function(a) {
-            a.frames.unshift(this),this.ruleset = this.ruleset && this.ruleset.eval(a),a.frames.shift();
-            return this
-        },variable:function(b) {
-            return a.Ruleset.prototype.variable.call(this.ruleset, b)
-        },find:function() {
-            return a.Ruleset.prototype.find.apply(this.ruleset, arguments)
-        },rulesets:function() {
-            return a.Ruleset.prototype.rulesets.apply(this.ruleset)
-        }}
-    }(c("less/tree")),function(a) {
-        a.Element = function(b, c) {
-            this.combinator = b instanceof a.Combinator ? b : new a.Combinator(b),this.value = c.trim()
-        },a.Element.prototype.toCSS = function(a) {
-            return this.combinator.toCSS(a || {}) + this.value
-        },a.Combinator = function(a) {
-            a === " " ? this.value = " " : this.value = a ? a.trim() : ""
-        },a.Combinator.prototype.toCSS = function(a) {
-            return{"":""," ":" ","&":"",":":" :","::":"::","+":a.compress ? "+" : " + ","~":a.compress ? "~" : " ~ ",">":a.compress ? ">" : " > "}[this.value]
-        }
-    }(c("less/tree")),function(a) {
-        a.Expression = function(a) {
-            this.value = a
-        },a.Expression.prototype = {eval:function(b) {
-            return this.value.length > 1 ? new a.Expression(this.value.map(function(a) {
-                return a.eval(b)
-            })) : this.value.length === 1 ? this.value[0].eval(b) : this
-        },toCSS:function(a) {
-            return this.value.map(
-                function(b) {
-                    return b.toCSS(a)
-                }).join(" ")
-        }}
-    }(c("less/tree")),function(a) {
-        a.Import = function(b, c) {
-            var d = this;
-            this._path = b,b instanceof a.Quoted ? this.path = /\.(le?|c)ss$/.test(b.value) ? b.value : b.value + ".less" : this.path = b.value.value || b.value,this.css = /css$/.test(this.path),this.css || c.push(this.path, function(a) {
-                if (!a)throw new Error("Error parsing " + d.path);
-                d.root = a
-            })
-        },a.Import.prototype = {toCSS:function() {
-            return this.css ? "@import " + this._path.toCSS() + ";\n" : ""
-        },eval:function(b) {
-            var c;
-            if (this.css)return this;
-            c = new a.Ruleset(null, this.root.rules.slice(0));
-            for (var d = 0; d < c.rules.length; d++)c.rules[d]instanceof a.Import && Array.prototype.splice.apply(c.rules, [d,1].concat(c.rules[d].eval(b)));
-            return c.rules
-        }}
-    }(c("less/tree")),function(a) {
-        a.JavaScript = function(a, b, c) {
-            this.escaped = c,this.expression = a,this.index = b
-        },a.JavaScript.prototype = {eval:function(b) {
-            var c,d = this,e = {},f = this.expression.replace(/@\{([\w-]+)\}/g, function(c, e) {
-                return a.jsify((new a.Variable("@" + e, d.index)).eval(b))
-            });
-            try {
-                f = new Function("return (" + f + ")")
-            } catch(g) {
-                throw{message:"JavaScript evaluation error: `" + f + "`",index:this.index}
-            }
-            for (var h in b.frames[0].variables())e[h.slice(1)] = {value:b.frames[0].variables()[h].value,toJS:function() {
-                return this.value.eval(b).toCSS()
-            }};
-            try {
-                c = f.call(e)
-            } catch(g) {
-                throw{message:"JavaScript evaluation error: '" + g.name + ": " + g.message + "'",index:this.index}
-            }
-            return typeof c == "string" ? new a.Quoted('"' + c + '"', c, this.escaped, this.index) : Array.isArray(c) ? new a.Anonymous(c.join(", ")) : new a.Anonymous(c)
-        }}
-    }(c("less/tree")),function(a) {
-        a.Keyword = function(a) {
-            this.value = a
-        },a.Keyword.prototype = {eval:function() {
-            return this
-        },toCSS:function() {
-            return this.value
-        }}
-    }(c("less/tree")),function(a) {
-        a.mixin = {},a.mixin.Call = function(b, c, d) {
-            this.selector = new a.Selector(b),this.arguments = c,this.index = d
-        },a.mixin.Call.prototype = {eval:function(a) {
-            var b,c,d = [],e = !1;
-            for (var f = 0; f < a.frames.length; f++)if ((b = a.frames[f].find(this.selector)).length > 0) {
-                c = this.arguments && this.arguments.map(function(b) {
-                    return b.eval(a)
-                });
-                for (var g = 0; g < b.length; g++)if (b[g].match(c, a))try {
-                    Array.prototype.push.apply(d, b[g].eval(a, this.arguments).rules),e = !0
-                } catch(h) {
-                    throw{message:h.message,index:h.index,stack:h.stack,call:this.index}
-                }
-                if (e)return d;
-                throw{message:"No matching definition was found for `" + this.selector.toCSS().trim() + "(" + this.arguments.map(
-                    function(a) {
-                        return a.toCSS()
-                    }).join(", ") + ")`",index:this.index}
-            }
-            throw{message:this.selector.toCSS().trim() + " is undefined",index:this.index}
-        }},a.mixin.Definition = function(b, c, d) {
-            this.name = b,this.selectors = [new a.Selector([new a.Element(null, b)])],this.params = c,this.arity = c.length,this.rules = d,this._lookups = {},this.required = c.reduce(function(a, b) {
-                return!b.name || b.name && !b.value ? a + 1 : a
-            }, 0),this.parent = a.Ruleset.prototype,this.frames = []
-        },a.mixin.Definition.prototype = {toCSS:function() {
-            return""
-        },variable:function(a) {
-            return this.parent.variable.call(this, a)
-        },variables:function() {
-            return this.parent.variables.call(this)
-        },find:function() {
-            return this.parent.find.apply(this, arguments)
-        },rulesets:function() {
-            return this.parent.rulesets.apply(this)
-        },eval:function(b, c) {
-            var d = new a.Ruleset(null, []),e,f = [];
-            for (var g = 0,h; g < this.params.length; g++)if (this.params[g].name)if (h = c && c[g] || this.params[g].value)d.rules.unshift(new a.Rule(this.params[g].name, h.eval(b))); else throw{message:"wrong number of arguments for " + this.name + " (" + c.length + " for " + this.arity + ")"};
-            for (var g = 0; g < Math.max(this.params.length, c && c.length); g++)f.push(c[g] || this.params[g].value);
-            d.rules.unshift(new a.Rule("@arguments", (new a.Expression(f)).eval(b)));
-            return(new a.Ruleset(null, this.rules.slice(0))).eval({frames:[this,d].concat(this.frames, b.frames)})
-        },match:function(a, b) {
-            var c = a && a.length || 0,d;
-            if (c < this.required)return!1;
-            if (this.required > 0 && c > this.params.length)return!1;
-            d = Math.min(c, this.arity);
-            for (var e = 0; e < d; e++)if (!this.params[e].name && a[e].eval(b).toCSS() != this.params[e].value.eval(b).toCSS())return!1;
-            return!0
-        }}
-    }(c("less/tree")),function(a) {
-        a.Operation = function(a, b) {
-            this.op = a.trim(),this.operands = b
-        },a.Operation.prototype.eval = function(b) {
-            var c = this.operands[0].eval(b),d = this.operands[1].eval(b),e;
-            if (c instanceof a.Dimension && d instanceof a.Color)if (this.op === "*" || this.op === "+")e = d,d = c,c = e; else throw{name:"OperationError",message:"Can't substract or divide a color from a number"};
-            return c.operate(this.op, d)
-        },a.operate = function(a, b, c) {
-            switch (a) {
-                case"+":
-                    return b + c;
-                case"-":
-                    return b - c;
-                case"*":
-                    return b * c;
-                case"/":
-                    return b / c
-            }
-        }
-    }(c("less/tree")),function(a) {
-        a.Quoted = function(a, b, c, d) {
-            this.escaped = c,this.value = b || "",this.quote = a.charAt(0),this.index = d
-        },a.Quoted.prototype = {toCSS:function() {
-            return this.escaped ? this.value : this.quote + this.value + this.quote
-        },eval:function(b) {
-            var c = this,d = this.value.replace(/`([^`]+)`/g,
-                function(d, e) {
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diff --git a/mindplot/src/main/javascript/libraries/less/less-1.6.2.min.js b/mindplot/src/main/javascript/libraries/less/less-1.6.2.min.js
new file mode 100644
index 00000000..6a7a8208
--- /dev/null
+++ b/mindplot/src/main/javascript/libraries/less/less-1.6.2.min.js
@@ -0,0 +1,16 @@
+/*! 
+ * LESS - Leaner CSS v1.6.2 
+ * http://lesscss.org 
+ * 
+ * Copyright (c) 2009-2014, Alexis Sellier <self@cloudhead.net> 
+ * Licensed under the Apache v2 License. 
+ * 
+ */
+
+/** * @license Apache v2
+ */
+
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diff --git a/wise-editor/src/main/webapp/js/less.js b/wise-editor/src/main/webapp/js/less.js
index b60a4b65..0a525573 120000
--- a/wise-editor/src/main/webapp/js/less.js
+++ b/wise-editor/src/main/webapp/js/less.js
@@ -1 +1 @@
-../../../../../mindplot/src/main/javascript/libraries/less/less-1.1.3.min.js
\ No newline at end of file
+../../../../../mindplot/src/main/javascript/libraries/less/less-1.6.2.min.js
\ No newline at end of file
diff --git a/wise-webapp/src/main/webapp/js/less.js b/wise-webapp/src/main/webapp/js/less.js
deleted file mode 100644
index ff8cd55c..00000000
--- a/wise-webapp/src/main/webapp/js/less.js
+++ /dev/null
@@ -1,16 +0,0 @@
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- * http://lesscss.org 
- * 
- * Copyright (c) 2009-2014, Alexis Sellier <self@cloudhead.net> 
- * Licensed under the Apache v2 License. 
- * 
- */ 
-
- /** * @license Apache v2
- */ 
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\ No newline at end of file
diff --git a/wise-webapp/src/main/webapp/js/less.js b/wise-webapp/src/main/webapp/js/less.js
new file mode 120000
index 00000000..0a525573
--- /dev/null
+++ b/wise-webapp/src/main/webapp/js/less.js
@@ -0,0 +1 @@
+../../../../../mindplot/src/main/javascript/libraries/less/less-1.6.2.min.js
\ No newline at end of file