channel posts start
added followers button into posts index
create channels admin posts
some adjusts
Merge branch 'master' into channel_posts
show only visible posts
send e-mail to subscriber when post is publihed
added spec for channel post observer
added facebook comments
move users admin to bootstrap
added not null into channel posts table
schema_association uses posts instead channel_posts
fix inputs
remove old view
adds .ruby-version and .ruby-gemset
updates README
fixes assets precompilation on Heroku
Merge pull request #529 from adrianob/bootstrap_users_admin

Bootstrap users admin
Merge pull request #530 from rafaelp/master

Updates Vagrantfile to install Ruby 2.1.0
use channel.posts instead channel.channel_posts