Updated ruby version.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Updated capistrano-rvm gem.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Updated jbuilder gem.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Updated turbolinks and execjs gems.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Updated factory girl gems.

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Updated mime-types gem

Signed off by: Rafael Manzo <rr.manzo@gmail.com>
Merge pull request #11 from mezuro/updates

Updates