camera: add much more scene & focus modes

   * taken from HTC One X(endeavoru)

Patchset 2: White board -> Whiteboard

Change-Id: Id065ed1a5004b7ec6b5d8e63f85528badedced63
BurstMode: only show slide animation after final shot

Change-Id: Ia7cfbe2be578d0d7d027537df92b11358f0a7201
Camera: add exposure and JPEG quality settings to video camera

Change-Id: I350484e93f88d229362dee663277a06f132fd4a3