Restore missing content css.
Verifying that save/update_attributes works consistently with ActiveRecord.
Remove unneeded CSS links.
Add description for portlets to the 'New Portlet' page.
Show a 'no description' message.
* Ensure Portlets sort consistently (alpha)
* Add more descriptions for testing.
Add descriptions to the remaining core portlets.
[#619] Add Description to portlets.
Adding content to page now looks up content based on available classes rather than via database.
Remove obsolete contenttypes controller
Return module_names for grouping.
Return Content Types grouped by module.

* Add mintiest runners
* Specify modules for all core content types.
Exclude Link from list of available content types.
Ensure categories, etc are included in content library.
Add shorthand syntax for specifying content_module.
Use shorter content_module for core blocks.
Rework .connectable to not look up from database.
Rework content_type.named to not hit database.
* ContentType no longer an ActiveRecord object.
* Remove ContentTypeGroup all together.
Fix error where non-displayable content types were appearing in menus.