Add helper method for creating external job token
Add helper method for creating external job token

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