Camera: Add more white balance modes

* Convert to popup menus since many icons don't fit well
  on the screen :(

Change-Id: I8824b04919cbc45f88b91d17d8e6bb006ec1b8ce
Camera: Fix beauty mode & slow shutter indicator

* Forward ported code from cm-10.2

Change-Id: Ifb798b7df0250eac45cf7d46acf338364d4c18e2