Fix girder install
Fix girder install

This contains most of the ansible changes from Dan's outstanding
WIP PR related to fixing travis CI.

Kitware/flow,adsorensen/flow,adsorensen/flow,Kitware/tangelohub,Kitware/flow,Kitware/flow,Kitware/tangelohub,adsorensen/flow,adsorensen/flow,Kitware/flow,adsorensen/flow,Kitware/tangelohub