Remove some gems because they are never used in this project.
Strip leading and trailing slug punctuation.
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 bundle install command to easy setup

When I tried to follow the steps mentioned I needed to perform `bundle install` as well.
I committed a regression around multi site today and site customization, added tests so it don't happen again
Fix all the trailing whitespace
fixing spelling error
Oops, slim is required for sidekiq's web interface.
Add test coverage for UsersController#search_users
Extract search logic to UserSearch model
Extract SQL generation method
Return User objects instead of hashes
Remove expectation of term case
Refactor UserSearch tests
Added the link to the Discourse development forums
Changed Discourse CLA link to the canonical one