Display attachments as links
Validate files are no bigger than 2MB
preserve original notifications icon
schema update
change username display to 'My Profile'
set notifications to read when its link is followed.
scroll to comment highlighted in notification
remove fontello; use font-awesome icon for notifications.
change attachments size to large
use image-url
use jquery-ui-rails
fix initial item and collaborator field not appearing
change tag color to red
fix research resource appearing as post on new
override create for post and research controllers