Merge pull request #4 from shahmharsh/Harsh

Added dropbox library and authentication, merge master into harsh
Merge pull request #5 from shahmharsh/Harsh

Dropbox upload image sample code
Replaced TabBarController with MAsterView

- Added functionality to add new profile
- Linked profile to profile detail
Refactoring.

-Refactored the file HRCreateProfileViewController and HRProfileViewController according to comments.
Corrected changes.

-Created constants for both sections.
Refactored.
Merge pull request #6 from shahmharsh/Rakshit

Replaced TabBarController with MAsterView