Include csrf token in jade templates.

CSRF protection is important to any web app.
Merge branch 'master' into add-csrf-protection
Merge pull request #262 from DrMoriarty/master

Add S3_REGION parameter for non default S3 regions
Merge pull request #263 from metasansana/add-csrf-protection

Add csrf protection support to admin templates
Updating the site footer with Thinkmill credit
Cleaning up index.js a little and exposing express on the keystone instance
Fixing inclusion of _csrf token and field
Merge pull request #1 from JedWatson/master

update
#226 Enable inserting images from tinymce editor
#266 Enable inserting images from tinymce editor
Merge pull request #267 from brankosekulic/master

Enable inserting images from tinymce editor
Fixing keustone typo in pr #267
Cleaning up keystone.route logic and nesting cloudinary upload api under /keystone/api/
Code cleanup
Fixing Comments
Adding wysiwyg options (more to come)
Implementing optional image and uploadimage plugins for TinyMCE
Added support for a .toCSV method on Schemas when downloading lists in the Admin UI
Updating keystone-utils
Updating Changelog