OmniGears: add expanded desktop settings

Add Immersive mode, based on Dirty Unicorns Expanded desktop
http://gerrit.dirtyunicorns.com/#/c/2025/

Includes fixes from @Mazda--

Change-Id: Ied76fe53f863f375b9d7431f35ba4d7a75d74566
12 files changed
tree: 7f63992e2c2650f624960755f7bc5dec1ff604f8
  1. res/
  2. src/