Added in memory event store.
Working tests.
Moved initialization on the events streams.
Added configuration for using in memory event store.
Fixed configuration.
Removed not implemented Dispose method.
Implemented IDisposable.
Added test for checking if the InMemoryEventStoreStorage is resolved correctly.
Added InMemoryAggregateVersionService and tests.
Added IAggregateVersionService interface.
Merge pull request #68 from Elders/inmemory-event-store

Inmemory event store