- Updated breadcrumb dropdown switchers and back-end sibling code to handle new breadcrumbs. - Added breadcrumb view composer and EntityContext system to mangage tracking if in the context of a bookshelf.
- Extended new 'userCanOnAny' helper to take a entity class for filtering. Closes #1201
Created modified TestResponse so we can use DOM operations in new Testcases as we move away from the BrowserKit tests.