CFY-54 Added a test for elasticsearch timestamps
CFY-54 created setup and teardown, added elasticsearch as dependency, general refactoring
 improved test readability and functionality and added a mock blueprint
Added sleep when waiting for open port
CFY-54 general refactoring
 moved check_port to util.py
CFY-54 flake8 fixes
merge
Merge branch 'master' into CFY-54-unify-@timestamp-and-timestamp-fields-in-log/event-messages
Cfy 54 unify @timestamp and timestamp fields in log/event messages - fixed setup.py
Cfy 54 unify @timestamp and timestamp fields in log/event messages - fixed the empty BP
Merge pull request #68 from cloudify-cosmo/CFY-54-unify-@timestamp-and-timestamp-fields-in-log/event-messages

Cfy 54 unify @timestamp and timestamp fields in log/event messages