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

Change-Id: I766de4fa6f352fa1c9284187134654de1a468622

isyippee/oslo.messaging,dims/oslo.messaging,isyippee/oslo.messaging,hkumarmk/oslo.messaging,stevei101/oslo.messaging,ozamiatin/oslo.messaging,apporc/oslo.messaging,dims/oslo.messaging,zhurongze/oslo.messaging,zhurongze/oslo.messaging,magic0704/oslo.messaging,apporc/oslo.messaging,ozamiatin/oslo.messaging,hkumarmk/oslo.messaging,magic0704/oslo.messaging,dukhlov/oslo.messaging,dukhlov/oslo.messaging,stevei101/oslo.messaging