Work toward Python 3.4 support and testing
Work toward Python 3.4 support and testing

Change-Id: Ide4883697b4a547e963c295ef32c659cefe08ee4

openstack/tacker,stackforge/tacker,openstack/tacker,trozet/tacker,zeinsteinz/tacker,priya-pp/Tacker,trozet/tacker,SripriyaSeetharam/tacker,stackforge/tacker,SripriyaSeetharam/tacker,priya-pp/Tacker,openstack/tacker,zeinsteinz/tacker