Fix Backbone configuration
Fix Backbone configuration

jbeezley/girder,manthey/girder,RafaelPalomar/girder,Kitware/girder,Kitware/girder,RafaelPalomar/girder,jbeezley/girder,Kitware/girder,girder/girder,girder/girder,girder/girder,jbeezley/girder,manthey/girder,Kitware/girder,RafaelPalomar/girder,girder/girder,jbeezley/girder,manthey/girder,manthey/girder,RafaelPalomar/girder,RafaelPalomar/girder