Addding mock port knocker for phase 1 integration test (review: idan)
Merge remote-tracking branch 'origin/feature/CLOUDIFY-1851-celery-participant' into feature/CLOUDIFY-1851-celery-participant
Merge remote-tracking branch 'origin/feature/CLOUDIFY-1851-celery-participant' into feature/CLOUDIFY-1851-celery-participant

Conflicts:
	orchestrator/src/test/java/org/cloudifysource/cosmo/orchestrator/integration/VagrantAndWebserverServiceIT.java
CLOUDIFY-1851 update phase 1 integration test to use real celery task executor