Parameter support both id and name
Parameter support both id and name

The parameter of router operation not only supports id also supports name,
so it should modify the hint.

Change-Id: Ib5ddb771fb87181bcf638499703c03ebcc9cc680
Closes-bug: #1288656

cernops/python-neutronclient,huntxu/python-neutronclient,johnpbatty/python-neutronclient,noironetworks/python-neutronclient,roaet/python-neutronclient,cryptickp/python-neutronclient,NeCTAR-RC/python-neutronclient,venusource/python-neutronclient,eayunstack/python-neutronclient,cryptickp/python-neutronclient,openstack/python-neutronclient,johnpbatty/python-neutronclient,huntxu/python-neutronclient,rackerlabs/rackspace-python-neutronclient,Juniper/python-neutronclient,venusource/python-neutronclient,NeCTAR-RC/python-neutronclient,Stavitsky/python-neutronclient,mangelajo/python-neutronclient,Juniper/python-neutronclient,mangelajo/python-neutronclient,Stavitsky/python-neutronclient,noironetworks/python-neutronclient,rackerlabs/rackspace-python-neutronclient,cernops/python-neutronclient,eayunstack/python-neutronclient,roaet/python-neutronclient,openstack/python-neutronclient