Removed dead code from trip feed action.
Show most recent image for travelogues on homepage.
Merge branch 'master' of heroku.com:polar-cove-5631
Added acts_as_taggable_on, attachment descriptions, and image attachment display.
Merge branch 'master' of heroku.com:polar-cove-5631
Removed old feed file.
Updated gallery to display author name and description.
Fixed CSS
Added sort order to image attachments.