add python 3.4 to the travisci script
add python 3.4 to the travisci script

cpcloud/datashape,ContinuumIO/datashape,quantopian/datashape,cowlicks/datashape,ContinuumIO/datashape,blaze/datashape,llllllllll/datashape,quantopian/datashape,cpcloud/datashape,llllllllll/datashape,cowlicks/datashape,aterrel/datashape,blaze/datashape,aterrel/datashape