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

Change-Id: I24396e2a94eaf786a6076765c49e4f3fd7bc9cf0
Add user selectable size for sidebar [2/2]

Change-Id: I9933af3e5a95f76704ec3bbfe422fcb7594d29da
Add ability to exclude apps from the sidebar [2/2]

Change-Id: I084fc93e679ecd588e0c9c9e33870e85b168e67c