Move operation from mediator to crud
Hook interfaces (WIP)
Merge remote branch 'origin/master'

Conflicts:
	crud/src/main/java/com/redhat/lightblue/crud/Factory.java
	mongo/crud/src/main/java/com/redhat/lightblue/crud/mongo/AtomicIterateUpdate.java
	mongo/crud/src/main/java/com/redhat/lightblue/crud/mongo/BasicDocSaver.java
	mongo/crud/src/main/java/com/redhat/lightblue/crud/mongo/IterateAndUpdate.java
	mongo/crud/src/test/java/com/redhat/lightblue/crud/mongo/CRUDControllerTest.java