Changed scriptcs references to nuget packages

Now a clean build from checkout should be possible
Also added some logging to an empty catch all exception block in Robot.cs
which was hiding an error I got when loading scripts
Fixing User object serialization and achievement escaping
Unit tests for robot, brain and http wrapper
Added test for GetXml
More httpWrapper tests
removing empty catch block
Implemented multiple adapters model
XMPP now working with Google talk
Reply to anything on xmpp messaging
Added commented out multi-adapter sample code