Kaa-279: Implementation
Kaa-279: test fixes
KAA-279: Change type of requestId from string to int32_t
Merge pull request #57 from kaaproject/feature/KAA-279

Kaa-279: Refactor operations server to work with integer request ids instead of strings
Merge branch 'feature/KAA-247' into feature/KAA-280

Conflicts:
	server/operations/src/main/java/org/kaaproject/kaa/server/operations/pojo/sync/Event.java