Added missing test for content body tile, refs #415
Added link to related item, with tests. refs #415
Revert to commit 8d4da01 for collection tile #415
Updated change log
Refer to correct issue in change log #415
Move css declaration to robot variable #415
Merge branch 'master' of https://github.com/collective/collective.cover into issue_415
Change content body tile markup to handle different conditions (empty tile or not) in a saner way

- Update tests
- Add a text indicating when the body text of an item is empty
- Update i18n and Brazilian Portuguese and Spanish translations
- Remove cluttering from CHANGES.rst; we mostly deal with information that is really important for integrators
Fix target on CHANGES.rst
Merge pull request #416 from collective/issue_415

Merge request for #415