added join table communities_users
add stars
Merge branch 'master' of https://github.com/nealcpeters/infobytes into sticky-nav
join community button only appears if not a member; new community tutorial button only appears if already a community member
search functionality by title and description
Merge branch 'master' into search
Merge pull request #126 from nealcpeters/search

Search
finally fixed user page
Merge branch 'master' into search
Merge pull request #127 from nealcpeters/search

Search
display user's community memberships on profile page
comments are ajaxed live into the form
users can delete community membership from profile page
fixed user model merge conflict
Merge pull request #128 from nealcpeters/add_communities

Add communities
comments are updated with date of created at
add ratings table
added validations and error messages for communities
found a bug in tutorial new
readme