Add configurable hydrator strategies
Created hydrator service for collections
Fix conflict
Use configurable byValue
Use configurable byValue
Return a Link for collection fields
Implement collection link strategy
Bugfixes: post fetchAll event + invalid hydrator
Merge recursive for ODM embedded documents.
Undo: merge recursive is not the right method to use.
Doctrine hydrators do have hydrate and extract methods
Renamed Collection Strategy to CollectionLink
Fix order of parameters; doctrine is (no longer?) inverse of Zend parameter order