first version of github.com login acitivty
added feature to show starred repositories
changed github login to an async task
git login activity refactored
Merge from Dev

Conflicts:
	app/AndroidManifest.xml
	app/res/values/strings.xml
	app/src/se/chalmers/agile5/MyActivity.java
Merge from Dev

Conflicts:
	app/AndroidManifest.xml
	app/res/values/strings.xml
	app/src/se/chalmers/agile5/MyActivity.java
Merge branch 'development' into githubauth