Add requirements to travis build
Add requirements to travis build

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