Adding Kenneth to the about App

Change-Id: I6a20e74f6dec013305177b57dfebf576c68d56cc
Few changes

- Updated Features list
- Spaced out and better looking layout for features list
- Removed i9300/maintainer and updated device list
- Cleaned up maintainer fragment

Change-Id: I920b458ff2b577689556c2acb7c5165c3272c962
Added Testers tab / New profile pics

Change-Id: Ia8ed253d713a8f69172b78ad53344767e59e0109