AutoFocus (4/2/13)

Added a manual autofocus and now we can do multiple pictures without
having to quit out of the camera activity
Revert "AutoFocus (4/2/13)"

This reverts commit fc099b913fdd5e3cd8b2b6c41e0f94e16b8a2e1e.
Merge branch 'master' of https://github.com/matt5784/augmented-reality