Added support for Image Recognition

- using moodstocks 3rd party API for image recognition and database
storage
- Removed button and replaced it with a camera preview fragment that
instantly allows users to scan for images.
- Added a base implementation for presenting image content after
recognition.
Merge branch 'master' of https://github.com/mhotan/Qin into targetrec

Conflicts:
	src/com/aqt/qin/LaunchActivity.java