Ports DB connection to mongoengine and adds lots of tests
Merge pull request #1363 from bmbouter/US3029

Ports DB connection to mongoengine and adds lots of tests
Bumps python-qpid dep to release three
Merge pull request #1383 from bmbouter/bump-python-qpid-to-release-three

Bumps python-qpid dep to release three
Refresh Content Sources CLI

This adds following calls to the CLI:

pulp-admin content sources refresh
pulp-admin content sources refresh --content-source-id <id>
Fixed unit test and got coverage to 100% of new code
Removed the custom renderer
Merge branch '2.6-dev' of github.com:dkliban/pulp into 2.6-dev

Conflicts:
	client_admin/pulp/client/admin/content.py
	client_admin/test/unit/test_content.py