Did some refactoring and created the class "FacebookScene.java". Additionally, a Facebook icon was added.
Facebook integration: NOT working!

Did changes in the manifest file in order to allow the application internet access and starting a new activity.
Merge remote-tracking branch 'origin/master' into LikeOnFacebook

Conflicts:
	AndroidManifest.xml
Created a TestCase, "SceneTest.java". Added test tags to the manifest.xml
Merge branch 'LikeOnFacebook'