fix oberlin.edu namespace. no more join link
new topic notification works and looks better
fixed over-aggressive display name change method
improve topic create link. move topic browser to right.
arrows and slide toggles on discussion browser and discussion header.
design improvements
significant design, layout, ui changes
display names are now usernames. hovering a user name replaces it with the user's first and last names. no longer stacking event listeners on posts.
only allow oberlin.edu
Merge pull request #22 from jackrr/bugfixes

Bugfixes