Use Node, Class, and Group names as the url slugs.
Update edit forms and tests for named slugs.
Faster report view with eager loading issue #8047
Clean up report model attributes.
Speed up report deletion by not instantiating dependent objects on destroy.
Merge pull request #220 from sodabrew/rails3-namedslugs

Use Node, Class, and Group names as the url slugs
Merge pull request #222 from sodabrew/rails3-fastreportview

Faster report view with eager loading