Add requirements file; add shebang headers; remove usesless duplicate

add_del_user.py

@@ -1,9 +1,12 @@
+#!/usr/bin/env python
+
 import asyncio
 import fabapi
 import fabapi.user_system
 
 async def main():
     session = await fabapi.connect("localhost", 59661, "Testuser", "secret")
+
     # Add an user with the given roles
     roles = [
         "somerole", "testrole"

raw-write.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 import asyncio
 import fabapi
 import fabapi.user_system

requirements.txt

@@ -0,0 +1 @@
+pycapnp==1.3.0

use_giveback_machine.py

@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 import asyncio
 import fabapi
 import fabapi.user_system