Add user defined transparency to app sidebar [2/2]

Change-Id: I24396e2a94eaf786a6076765c49e4f3fd7bc9cf0

Conflicts:

	res/values/attrs.xml
Add user selectable size for sidebar [2/2]

Change-Id: I9933af3e5a95f76704ec3bbfe422fcb7594d29da

Conflicts:

	res/values/arrays.xml