* Added SITE_URL to local.py-dist because it's needed by django_browserid
* Commented out local cache from local config because it breaks anonymous CSRF
and added info about this fact to docs.
* moved comment regarding csrf to 'production notes'
* fixed whitespace
* reverted local cache so tests won't fail
* changed text width to 80 chars
* removed lines regarding django_browserid from config
* Added lessc setup on centos