DATACASS-127 - Updated changelog.
DATACASS-127 - Prepare 1.0.0.RC1.

Upgraded to Spring Data Parent 1.4.0.RC1 and Spring Data Commons 1.8.0.RC1. Switched to milestone repository.
DATACASS-127 - Release version 1.0.0.RC1.
DATACASS-127 - Prepare next development iteration.
DATACASS-127 - After release cleanups.