Integrated QR code and LocalStorage

The first Prototype!
This is based on Peng's UI baseline. Integrated QR code scanner and
Parse online and local databases.
1. QR code scanner fully functional
2. Me page can be modified offline. All changes will be updated on
server side once connected to internet
3. Look up page still to be implemented, awaiting Peng's changes
4. Explore page left empty, will be replaced by the prototype in TestDB
page
5. Offline browse of collected cards (now prototyped in TestDB page)
6. Login, log out, sign up. Login and Sign up has to be done when online
7. The bottom two buttons are for debugging purpose only.

Great work, cheers!