Cleaned up some robotium tests, added a couple tests as well.

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

	deleted:    src/com/catalyst/android/birdapp/test/AddActivity2.java
	deleted:    src/com/catalyst/android/birdapp/test/BirdAppTest.java
	modified:   src/com/catalyst/android/birdapp/test/CameraActivityTest.java