remove uneccessary route
round category link buttons completely
visual cleanup
associate posts and comments with a user
use mass assignment for category_ids
cleanup time helpers
show who wrote comments
use collection_check_boxes helper
visual fix
extract page title to partial
fix render syntax
visual fix
fix css styles
setup authentication
visual fixes
add user stuff to nag
validante username uniqueness
allow user registration and login
stylize navigation bar
allow reuse of comments/show partial