Fix repository link in changelog
Remove Version class from console application and docs

This should have been done with 18590f49bff8272bc77bb1849ffd2b54c952c3d5
Revise console application and documentation

Replace trivial odm:query example with an explanation of where to find the reference implementation and how to proceed with configuration.
Merge pull request #894 from doctrine/doc-console-commands

Remove Version class refs and revise console command docs
Added missing GENERATOR_TYPES
Merge pull request #876
Added references() and includesReferenceTo() to Query Builder reference
Revise docs for query builder reference method examples
Merge pull request #815
Test to prove, that when calling merge twice on the same detached document a spl_object_hash collision occurs.
Detach old managed copy as no more references on it