comment model and associations
comments controller with basic form
comment routing for editing
refactoring comments form
comment styling
#10 - only show approved projects
#7 - ordering posts by vote count
#7 - refactored sorting to a scope
\#7 - non-ambiguous group_by for AR query
Merge branch 'master' of github.com:mwitkows/tiramisu into mwitkows
modified email regex
#11 - basic user management UI