Remove some gems because they are never used in this project.
Add moderator style while in topic
remove unused var
Merge branch 'master' of github.com:discourse/discourse
Merge branch 'master' of github.com:discourse/discourse
Strip leading and trailing slug punctuation.
Introduction of TextSentinel to enforce title and body quality.
Merge branch 'master' of github.com:discourse/discourse
admins can now clear flags inline
improving flag handling, links and delete button
Merge branch 'master' of github.com:discourse/discourse
Merge remote-tracking branch 'discourse/master'
Fix guard warning with version spec for rb-notify.
Increase timeout for spork startup.
Fix Guardfile warning about deprecated :version arg.
Tuneups of Vagrant

Increase memory allocation to 512MB so guest VM is not swapping.
SSH forwarding, DNS host nat resolver.
Don't use NFS on darwin, just use standard folder sharing.
Update & simplify vagrant instructions.

The gem installer is deprecated, direct people to the real installer.
No longer need to require XCode and RVM installs, just install vagrant
and go. Password prompt during boot only happens on windows, not OS X
and Linux hosts.
added delete all posts button
wired up the ability to enable all themes
allow for empty headers properly
Added bundle install command to easy setup

When I tried to follow the steps mentioned I needed to perform `bundle install` as well.