Add fragment layout for crime camera fragment
add CrimeCameraFragment
Add CrimeCameraActivity
Add permissions and camera activity to manifest
toggle camera in onResume / onPause
Get the surface holder
implement callback to start/release camera preview
small fix
Determine preview size
Fix bugs in determining size in camera fragment
Adjust crime fragment layouts for camera button
Start CrimeCameraActivity on click
If no camera, disable button
Fix typo
Load camera activity in full-screen without title bar