Add annotate gem and annotate the models with schema information
Start multisite admin

- Update gitignore for pow
- Update annotation with schema version and indexes
Rename Settings to Site
Add subdomain column to sites and update model. Add subdomain edit field
to the admin.
Basic site creation and routing functionality
Enable cross subdomain session sharing
Add non null site_id column to Campaign, Faq, Payment, Reward and corresponding migrations
Add current site_id default scoping to all necessary models
Start laying out CSS/HTML for multisite manager
Inititialize rolify for user <-> site admin roles, along with migration
for removing admin column from User
Refactor site initialization into after_create callback, pass in admin_user virtual attribute, and scope the sites listing into the current_user admin
Update paths and get rid of devise deprecation warning
Integrate new user sign up and site creation if logged out
Added nav links for admin
Oops swapped the wrong css files
Fix for_each when searching Sites since this will error if empty []
Add multisite enable/disable configuration option
Skip check_initialized filter on registrations and sessions controller
Redirect to correct subdomain if the site's subdomain is updated
Rewrite login in load_site so that subdomain is ignored completely if multisite is off