Merge pull request #486 from atlasapi/parent-channel-output

Output parent channel on items
Change parent channel override images
Require genuine SubstitutionTableNumberCodec in test
use kafka
Merge branch 'kafka' into stage

* kafka:
  use kafka
  Require genuine SubstitutionTableNumberCodec in test
  Change parent channel override images

Conflicts:
	src/main/java/org/atlasapi/equiv/EquivModule.java
	src/test/java/org/atlasapi/equiv/handlers/MessageQueueingResultHandlerTest.java