Fixing a regression and a couple of typos
Making sure there is a default volume increment set for the VideoCastControllerActicity
Update the documentation to include how the volume increment can be set on VideoCastControllerActivity
Merge branch 'master' of https://github.com/googlecast/CastCompanionLibrary-android

Conflicts:
	src/com/google/sample/castcompanionlibrary/cast/VideoCastManager.java