AsyncTask on Autobahn requests
Merge remote-tracking branch 'origin/master'

Conflicts:
	gen/com/example/autobahn/BuildConfig.java
	src/autobahn/android/AutobahnClient.java
-AsyncTask on Autobahn requests - Not using Android Asynchronous Http Client's async client (future?)

-Added AsyncTask class AutobahnAsyncMessenger in AutobahnClient

-Using switch instead of if

-Min sdk now set to 11 (because of datePicker)

-Fixed numerous warnings