[storage] move identificator to model namespace.
[doctrine] add functional tests for doctrine storage and mongo manager.
Merge pull request #68 from Payum/deprecate-storage-identificator

[storage] move identificator to model namespace.
Merge pull request #70 from Payum/doctrine-storage-add-mongo-tests

[doctrine] add functional tests for doctrine storage and mongo manager.
fix tests
Release 0.6.2
Merge branch '0.6'

Conflicts:
	src/Payum/Model/TokenizedDetails.php