Fix npm on travis
Fix npm on travis

salamb/girder,RafaelPalomar/girder,kotfic/girder,data-exp-lab/girder,opadron/girder,msmolens/girder,manthey/girder,adsorensen/girder,opadron/girder,adsorensen/girder,msmolens/girder,adsorensen/girder,adsorensen/girder,Kitware/girder,msmolens/girder,opadron/girder,opadron/girder,data-exp-lab/girder,jbeezley/girder,salamb/girder,RafaelPalomar/girder,Kitware/girder,jbeezley/girder,essamjoubori/girder,sutartmelson/girder,girder/girder,manthey/girder,sutartmelson/girder,opadron/girder,kotfic/girder,manthey/girder,girder/girder,Kitware/girder,kotfic/girder,jbeezley/girder,data-exp-lab/girder,RafaelPalomar/girder,Xarthisius/girder,essamjoubori/girder,salamb/girder,msmolens/girder,Xarthisius/girder,girder/girder,manthey/girder,Xarthisius/girder,adsorensen/girder,Xarthisius/girder,salamb/girder,data-exp-lab/girder,sutartmelson/girder,jbeezley/girder,sutartmelson/girder,essamjoubori/girder,essamjoubori/girder,kotfic/girder,kotfic/girder,essamjoubori/girder,salamb/girder,Xarthisius/girder,girder/girder,RafaelPalomar/girder,data-exp-lab/girder,Kitware/girder,RafaelPalomar/girder,msmolens/girder,sutartmelson/girder