Improve integration tests for python
Merge branch 'develop' of github.com:caskco/cdap-ingest into CDAP-488-python-it

Conflicts:
	cdap-stream-clients/python/cdap_stream_client/config.py
	cdap-stream-clients/python/test/cdap_config.json
	cdap-stream-clients/python/test/cdap_ssl_config.json
	cdap-stream-clients/python/test/default-config.json
	cdap-stream-clients/python/test/stream_integration_test.py
	cdap-stream-clients/python/test/stream_test_base.py
change to https in url
update after review
Merge branch 'develop' of github.com:caskco/cdap-ingest into CDAP-488-python-it
fix ater second review
remove commented line
modify import auth_client
improve import
Merge pull request #91 from cybervisiontech/CDAP-488-python-it

CDAP-488 Improve integration tests for python