Pin rabbit and mysql to major version for fixtures

Previously, unit tests were using master for testing.

This commit changes them to use the newly created major version
branches. This allows us to backport bug fixes while we wait for
upstream to stabilize.

Change-Id: I43c03e7d77fba2f5153eac62a73e9f0a45ac5b33
Add html5 spice support

Change-Id: Idd23170df13bff7f78112fbe72f228bf84112af9