Migrated from Moq to FakeItEasy

...ent and AsynchronousDispatcher tests Migrated SynchronousDispatcherTests OptmisticEventStreamTest migrated to FakeItEasy Refactored OptimisticEventStoreTests to FakeItEasy Refactored PipelineHooksAwarePersistanceDecoratorTests to FakeItEasy Refactored DispatchCommitHookTests to FakeItEasy Removed Moq reference from tests project Removed my own TODOs (GH issues are opened for those issues)