adds a new output format
entity generator - ignore trait properties and methods
[DDC-93] Started ValueObjectsTest
only use already existing reflections
Revert "only use already existing reflections"

This reverts commit bb5bdcf0f4ccd6fc83692490ec70a697c90573fb.
only check for traits when class exists
[DDC-93] Parse @Embedded and @Embeddable during SchemaTool processing to make parsing work.
[DDC-93] Implement first working version of value objects using a ReflectionProxy object, bypassing changes to UnitOfWork, Persisters and Hydrators.
[DDC-93] Add some TODOs in code.
check if ReflectionClass::getTraits() method exists
[DDC-93] Show CRUD with value objects with current change tracking assumptions.
[DDC-93] Rename ReflectionProxy to ReflectionEmbeddedProperty, Add DQL test with Object and Array Hydration.
fixed code duplication issue
added unit test
Add hidden field ordering for postgresql

In postgresql environment, when some hidden fields are used in orderBy clause,
they're not property added because $rsm->scalarMappings don't have information about them.
Revert "Add hidden field ordering for postgresql"

This reverts commit 3e8796f78188e193aac7386b38b7e17da3df5718.
Add test for postgresql hidden scalar sorting
Fixed postgresql hidden scalar sort
minor fixes
moved test entities from sandbox