Updated library to include missing icons. Cleaned up some of the implementation code.

- Included 3.2 icons,
- Included 3.2.1 icons.
Properly ignore user data

Stop tracking any xcuserdata directories (yours and anyone who clones this)
Merge pull request #23 from arjunsharma/patch-1

Properly ignore user data
Merge pull request #22 from josh-fuggle/master

Updated library to include missing icons. Cleaned up some of the implementation code.
Removed deprecated method
Update to FontAwesome 4.0.3
Demo and Readme updated
Deprecated method removed
Merge pull request #27 from x4vl/master

Update to FontAwesome 4.0.3