update coveragerc file
update coveragerc file

fix missing change from quantumclient to neutronclient in .coveragerc
exclude tests from code coverage calculation

Change-Id: Ie286faaaaad9e9bc72c89422ac628178a30ccc8e

eayunstack/python-neutronclient,openstack/python-neutronclient,Stavitsky/python-neutronclient,cryptickp/python-neutronclient,vijayendrabvs/ssl-python-neutronclient,venusource/python-neutronclient,cryptickp/python-neutronclient,rackerlabs/rackspace-python-neutronclient,roaet/python-neutronclient,vijayendrabvs/ssl-python-neutronclient,Juniper/python-neutronclient,Stavitsky/python-neutronclient,openstack/python-neutronclient,cernops/python-neutronclient,JioCloud/python-neutronclient,noironetworks/python-neutronclient,johnpbatty/python-neutronclient,mangelajo/python-neutronclient,yamahata/python-tackerclient,cernops/python-neutronclient,Juniper/python-neutronclient,noironetworks/python-neutronclient,huntxu/python-neutronclient,johnpbatty/python-neutronclient,varunarya10/python-neutronclient,yamahata/python-tackerclient,sajuptpm/python-neutronclient-ipam,varunarya10/python-neutronclient,mangelajo/python-neutronclient,eayunstack/python-neutronclient,NeCTAR-RC/python-neutronclient,NeCTAR-RC/python-neutronclient,sajuptpm/python-neutronclient-ipam,roaet/python-neutronclient,venusource/python-neutronclient,rackerlabs/rackspace-python-neutronclient,JioCloud/python-neutronclient,huntxu/python-neutronclient