Fixing up some sphinx documentation for the group endpoint.
Fixing up some sphinx documentation for the group endpoint.

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