[~CONFIGURATION] Extbase: Set lockType to empty string instead of 'system'.

[~CONFIGURATION] Extbase: Set lockType to empty string instead of 'system'.
[+BUGFIX] Extbase (Tests): Fixed and renamed BaseTestCase. It supports now Data Providers.
[+TASK] Extbase (Tests): Added Data Provider for Typo3DbBackend.
[+BUGFIX] Extbase (Persistence): Added LazyObjectStorage to the list of types in property meta-data.
[+BUGFIX] Extbase (Persistence): Fixed a problem with value object database tables without deleted and/or hidden column.
[~BUGFIX] Extbase (Persistence): Added the same ugly hack (setRespectStoragePage(FALSE)) to mm-relations.
[+BUGFIX] Extbase (Persistence): The Lazy Object Storage really counts stored items (foreign key, relation table) without loading them.