python 3.4 support for urlparse
python 3.4 support for urlparse

Instead of using import urlparse
Make use of import six.moves.urllib.parse as urlparse

Change-Id: I7d949f0040c5ddce53f059081f9c6aae35d1ee14
Closes-Bug: #1586267

openstack/searchlight,openstack/searchlight,openstack/searchlight