Reduced travis to one parallel build
Reduced travis to one parallel build

OAkyildiz/walrus,OAkyildiz/walrus,OAkyildiz/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,OAkyildiz/walrus,OAkyildiz/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,RIVeR-Lab/walrus,OAkyildiz/walrus,RIVeR-Lab/walrus,OAkyildiz/walrus