Finished queue removal.  Added ability to observe post processing in order to track async execution.
Cleaned up interface design
Fixes compilation issues from async bus repair.
Upgraded RX Version
Merge remote-tracking branch 'origin/two-dot-o' into USERGRID-164
Removed deprecated call
Merge branch 'two-dot-o' into USERGRID-164

Conflicts:
	stack/core/src/main/java/org/apache/usergrid/corepersistence/CpEntityManager.java
	stack/corepersistence/common/src/main/java/org/apache/usergrid/persistence/core/consistency/AmazonSimpleQueueMessage.java
	stack/corepersistence/common/src/main/java/org/apache/usergrid/persistence/core/consistency/AmazonSimpleTimeoutQueue.java
	stack/corepersistence/common/src/main/java/org/apache/usergrid/persistence/core/consistency/SimpleAsynchronousMessage.java
	stack/corepersistence/common/src/test/java/org/apache/usergrid/persistence/core/consistency/AmazonSimpleTimeoutQueueTest.java
Merge pull request #188 from usergrid/USERGRID-164

Usergrid 164