* Add typoscript option which TYPO3 tables should be processed and which
should not be processed.
* Respect new optiion in hook.
* Also add necessary tests.
* Remove old no longer needed tests for hook.
* TCAIndexer is now able to resolve relations of any kind by using TYPO3
Core API.
* Indexed will be a single string or an array, depending of how many
relations were resolved.
* The same value will be indexed as shown by TCA in backend while
editing or displaying.