Upgraded to font-awesome 3.0.1
Changed the version scheme to coincide with font-awesome versions

This is usually a good convention to follow when packaging up another
project like this. The version used here adds an additional numeric sub-patch
level for fixes solely within this gem.
Improved README
Merge pull request #16 from rmm5t/3.0.1

Upgrade to font-awesome 3.0.1
Merge pull request #17 from rmm5t/readme-improvements

Readme improvements