DATACMNS-498 - Removed assumption form RepositoryFactorySupportUnitTests.

We now run the test case for the query method execution with Futures on Spring 3.2 as well (as SPR-11725 was fixed recently).

Related tickets: DATACMNS-489, DATACMNS-499, SPR-11725.
DATACMNS-494 - Removed the defaulting of the environment in RepositoryBeanDefinitionRegistrarSupport.

As SPR-11744 got fixed recently and will be available in Spring 3.2.9, we removed the guard in RepositoryBeanDefinitionRegistrarSupport which defaulted the environment in case it was not set by the container.

Related tickets: SPR-11744.