only install Sauce Connect if we have a Sauce username
only install Sauce Connect if we have a Sauce username

justinchu17/ilios,justinchu17/ilios,thecoolestguy/ilios,justinchu17/ilios,ilios/ilios,Trott/ilios,justinchu17/ilios,dartajax/ilios,Trott/ilios,stopfstedt/ilios,dartajax/ilios,stopfstedt/ilios,ilios/ilios,thecoolestguy/ilios