#JC-1364 Migrated to Common CRUD interface.
#JC-1364 Migrated to Common CRUD interface. Tests fixed.
#JC-1364 Migrated to Common CRUD interface. Tests fixed.
#JC-1364 Migrated to Common CRUD interface. Tests fixed.
#JC-1364 Migrated to Common CRUD interface. Tests fixed.
#JC-1364 Removed session.flush from tests.
#JC-1364 Removed DAO's classes eq GenericDao class. Corrected DAO beans wiring.
#JC 1364. Merge with master.
#JC 1364. Merge with master.
Merge branch 'master.senleft'

Conflicts:
	jcommune-service/src/main/java/org/jtalks/jcommune/service/nontransactional/UserMentionService.java
	jcommune-service/src/main/java/org/jtalks/jcommune/service/transactional/TransactionalTopicModificationService.java
	jcommune-service/src/test/java/org/jtalks/jcommune/service/nontransactional/UserMentionServiceTest.java
#JC-1364 Switched to 0.52 common version.