Replace python-gevent_0.13.6-1ubuntu1_amd64.deb with python-gevent_1.0.0~rc1-1~precise1_amd64.deb for Ubuntu: Fix https://bugs.launchpad.net/juniperopenstack/+bug/1352614

Change-Id: Ic65701d1920e0792b5a7408cb1f4e8e3d6f756cf