Update comment on possible log targets.

Update license-spec.

license-spec.lua

@@ -1,6 +1,6 @@
 local M = {
 	BASE_PATH = 'src',
-	EXCLUDE_FILES = { 'src/util/JSON.lua', 'src/util/urlcode.lua' },
+	EXCLUDE_FILES = { 'src/util/JSON.lua', 'src/util/urlcode.lua', 'src/script/loglite%-filters.lua' },
 	PROCESS_FILES = {
 		['src/[^/]*%.lua'] = 'lua',
 		['src/network/[^/]*%.lua'] = 'lua',

src/script/wifibox.uci.config

@@ -1,8 +1,12 @@
 config settings 'system'
+		#In addition to regular text, api_log_filename and p3d_log_basename may also be
+		#a stream enclose in angle brackets (e.g. '<stderr>') or
+		#a command to send output to in back quotes (e.g. '`ssh USER@HOST "cat > /tmp/test.log"`').
 		#Note that using an SSH tunnel without public key auth will need interaction
+
         option log_path '/tmp'
         option api_log_filename 'wifibox.log'
-        option p3d_log_basename 'print3d' #or: '<stderr>', or: '`ssh USER@HOST "cat > /tmp/test.log"`'
+        option p3d_log_basename 'print3d'
 
 config settings 'general'
 	option printer_type 'ultimaker'