+ service is implememted with asynctask
Merge remote-tracking branch 'origin/activitytest' into registerAsterisk

Conflicts:
	WhatsSIP/AndroidManifest.xml
	WhatsSIP/res/xml/preferences.xml
	WhatsSIP/src/whatssip/sip/SipLayer.java
	WhatsSIP/src/whatssip/view/MainStartView.java
--tests for method register()