Fixed 915593--No way to report site issues

Resolving https://bugzilla.mozilla.org/show_bug.cgi?id=915594 by adding a footer url link to file a bug on AirMozilla. 

Report a bug url link below: 
![new_footer](https://cloud.githubusercontent.com/assets/954858/2563559/123aaebc-b882-11e3-8633-e4c0c5a8cff7.png)

The url redirects to this page: 
![report_bug_airmozilla](https://cloud.githubusercontent.com/assets/954858/2563561/1e2cfd56-b882-11e3-884e-3ace2e7a09ef.png)