Add both nova and neutron dom0 plugins, and only keep the ones with
.py suffix, also change the plugin version to 2.0
Change-Id: I71f4640866efa48a0de7bfd2f86cc5f1293835f9
As XenAPI.py on pypi cannot be compatible with python3, we move it to
os-xenapi repo to make sure XenAPI.py support py2.4/py2.7/py3
Change-Id: Ic2ace8420722f9d755a04099eb038d4c6ba51669