Added CDN-served bootstrap files (and jquery too).
Fixed tabs/panes in home and group views, because bootstrap is simpler and it works.
Use Bootstrap alert styles
Bootstrap header
Enabled debug links to work with jQuery (they were based on Prototype) and use awesome_print.
Bootstrappized the group home and edit form.
Vendorized jquery.timeago and declared on the whole app
Added forum's miniform inline
Implicit i18n paths in view
fix merge conflict