added international amazon domains to matcher
changed . to \.
Upgrade font-awesome to version 4
Re-apply with fixes: Stop using user agent to detect mobile devices. Use a media query and yepnope to load the appropriate css and customizations.
attempt to fix amazon item descriptions
better revision history
remove unused diff_engine class
Merge pull request #1729 from S-YOU/master

amazon oneboxer
Corrected the mention string in the user stream. (props to @sunyatasattva)

Previously the string would show *You mentioned {{Your Name}}*. Now it
correctly shows *You mentioned {{Other user name}}*
Merge branch 'master' into development