Updated travis to use the branch switching in Makefile
Updated travis to use the branch switching in Makefile

hpbader42/Klampt,YilunZhou/Klampt,krishauser/Klampt,YilunZhou/Klampt,YilunZhou/Klampt,krishauser/Klampt,hpbader42/Klampt,hpbader42/Klampt,krishauser/Klampt,krishauser/Klampt,hpbader42/Klampt,hpbader42/Klampt,krishauser/Klampt,krishauser/Klampt,YilunZhou/Klampt