Major bug fix and enhancements

- Image captured was not the entire byte array. Fixed this.
- Increased size of camera preview by 10%
- Added autofocus routines if not using emulator
- Corrected the camera preview and image capture rotation. Hopefully
this will remain on the dragonboard.
- added configuration options for image widht/height, rotation angle,
image quality
- Forced app layout to be in portrait mode to make life easier.
- Updated render intent to open gallery (see comments)