Fixed back issue with camera
Merge branch 'Camera' of git@github.com:zsweigart/Drop.git into Camera

Conflicts:
	Drop/bin/AndroidManifest.xml
	Drop/bin/Drop.apk
	Drop/bin/classes.dex
	Drop/bin/classes/com/example/drop/CameraScreen$1.class
	Drop/bin/classes/com/example/drop/CameraScreen.class
	Drop/bin/classes/com/example/drop/DrawScreen.class
	Drop/bin/resources.ap_