Optimize travis script.
Optimize travis script.

alxdarksage/BridgePF,Sage-Bionetworks/BridgePF,alxdarksage/BridgePF,Sage-Bionetworks/BridgePF,Sage-Bionetworks/BridgePF,DwayneJengSage/BridgePF,DwayneJengSage/BridgePF,DwayneJengSage/BridgePF,alxdarksage/BridgePF