More mocking fixes#27

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borovsky wants to merge 5 commits intomoonmaster9000:masterfrom

borovsky:more-mocking-fixes

Commits on Feb 21, 2013

Mock only if request not mocked before
Alexander Borovsky
committed

Commits on Feb 24, 2013

Commits on Feb 26, 2013

Fixed cleaning up ActiveResource mocks
Alexander Borovsky
committed
Fixed validation error processing
Alexander Borovsky
committed