More severe cascade operation warning
Merge branch 'develop' into feature/cascade
Make CRC delete more verbose by using an intermediate site

That site is going to inform about deleted subordinate entries.
Merge branch 'release/1.1' into develop
Merge branch 'develop' into feature/cascade
Make all model objects have sane unicode representations
Fix delete page menu_items link levels
Simulate a Session.delete to get all affected objects
Use SQLAlchemy's cascade to cleanup old testruns
Add unicode repr to NewsItem
Same for SubmissionTable
And the same for submission overview
Merge branch 'feature/cascade' into develop
Add ChangeLog entry
Perform a session rollback in CRC if needed

At the moment, tgext.crud or sprox don't perform a rollback, but it's
needed or all session-bound objects won't be accessible in the
error_handler page.

More or less fixes #86.
injector can be staticmethod, not even classmethod
Correct menu_item highlighting in CRC
Finally move crc stuff into a subpackage
New CRC cleanup
New menu_item code in crc templates, very nice