Removed Conversation model and references
Migrated database after Conversation removal
Removed a few straggling, old Message migrations
Removed blank migration
Generated a Message model
Remove conversations controller
Conversations with messages
First part of a rewrite for conversations, needs testing
Remove unneccessary end keyword
Set Bloodhound pre-fetch url to set dynamically to host
Rewrote modal for asking questions
Fix csrf issue with omniauth-oauth2 when domain isn't set in session_store.rb
Remove call to byebug in courses_controller
Rewrite of messaging to be more atomic
Dumping testing apparatus
Bundled shoulda gem
Add 'read' attribute to Message'
Fixed typo in startup.sh, enabling autostart of postgrsql, redis in codio
Permit 'read' attribute in conversations controller
Removed application-level model references to Profile