CSS Tweaks
Updated Gemfile
Reworks thread show view
Implements post editing, CSS and layout tweaks
Implements bookmarking, bookmarks view, various CSS and layout tweaks
Fixes excesive DB querying caused by using #order instead of #sort_by on records cached by #includes
Adds bookmarked status indicators to thread lists
Fixes issue with Boostrap assets in production
Adds some seed data, small CSS/layout fixes
Implements thread closing/opening
Fully implements bookmarking
Removes email attribute from User, adds Profile and Edit views