fix c* version for travis build
fix c* version for travis build

kairosdb/kairosdb,kairosdb/kairosdb,ppbizapps/kairosdb,ppbizapps/kairosdb,kairosdb/kairosdb,ppbizapps/kairosdb,kairosdb/kairosdb,kairosdb/kairosdb,ppbizapps/kairosdb,ppbizapps/kairosdb,kairosdb/kairosdb