apns null reference issue
Merge branch 'two-dot-o' of https://git-wip-us.apache.org/repos/asf/incubator-usergrid into two-dot-o
EntityVersionCreated implementation.
Cleaned up extra lines.
Created extra step to help mock out the test.
Created new test to check to see how one listener is handled
Revert "Created extra step to help mock out the test."

This reverts commit e6760f2569a9b1fb10ba5155120d59ecf5f4b733.
This contains the extra test.
Contains code that helps make it easier to mock.
Re-added in the timeout and removed the previous code that added complexity.
Merge branch 'two-dot-o' into two-dot-o-events
Merge branch 'pr/91' into two-dot-o-events
Minor refactoring, renamed our event handlers to use suffix "Handler", fixed some headers, imports, etc.

 This closes #91