Resource leaks occur when resources
error out when creating in openstack.
This also includes a general refactor.
Change-Id: I2c3c3fad0a484cf3b5edf172d00b8465ba7d70f7
Removed unused variables from config.py
and changed case of ranger urls to conform
to other variable names
Change-Id: I9f94928122c0a3c8d9290f8da898a71403c60c78