Zoom, and white balance now change with selection from settings menu.

Signed-off-by: Hannah <hyoung20@gmail.com>

	modified:   res/layout/camera_controls.xml
	modified:   src/com/catalyst/android/birdapp/CameraActivity.java
	modified:   src/com/catalyst/android/birdapp/camera/CameraPreview.java
	new file:   src/com/catalyst/android/birdapp/utilities/CameraUtilities.java