Update open_framework.css

Fixes GH-117 by restoring Bootstrap's pull-right class float:right behavior blocks in the navigation region
Fixing float-right style
Added Font Awesome IE 7 support
Updated font awesome IE 7 CSS URL path
Updated to Font Awesome 3.1.1
Fixed #139
Merge pull request #121 from agold2/7.x-2.x

Restore Bootstrap's pull-right behavior for blocks in the navigation region
Updated HTML5 Shiv to version 3.6.2
Fixed #118
Updated subtheme kit .info file and README.txt.
Fixed #127
Merge branch '7.x-2.x' of github.com:SU-SWS/open_framework into swsupdates