minion: Rename "Endpoint" to "Container" in server_test
minion: Rename "Endpoint" to "Container" in server_test

kklin/quilt,ejj/quilt-dev,kayousterhout/quilt,kelda/kelda,PenguinToast/quilt,mmussomele/quilt,LuiseV/quilt,secant/quilt,LuiseV/quilt,kklin/quilt,mmussomele/quilt,kelda/kelda,akshayknarayan/quilt,stevenlin598/quilt,LuiseV/quilt,stevenlin598/quilt,stevenlin598/quilt,NetSys/quilt,ejj/quilt-dev,NetSys/quilt,PenguinToast/quilt,PenguinToast/quilt,kklin/quilt,PenguinToast/quilt,akshayknarayan/quilt,kayousterhout/quilt,kelda/kelda,mmussomele/quilt,PenguinToast/quilt,akshayknarayan/quilt,kklin/kelda,secant/quilt,tejasmanohar/quilt,NetSys/quilt,quilt/quilt,secant/quilt,tejasmanohar/quilt,kayousterhout/quilt,secant/quilt,secant/quilt,akshayknarayan/quilt,stevenlin598/quilt,kklin/kelda,quilt/quilt,quilt/quilt,quilt/quilt,mmussomele/quilt,kklin/quilt,kelda/kelda,ZhongtianWang/quilt,kayousterhout/quilt,ejj/quilt-dev,mmussomele/quilt,LuiseV/quilt,mmussomele/quilt,stevenlin598/quilt,kklin/kelda,ejj/quilt-dev,LuiseV/quilt,stevenlin598/quilt,ZhongtianWang/quilt,tejasmanohar/quilt,tejasmanohar/quilt,kklin/kelda,ZhongtianWang/quilt,ZhongtianWang/quilt,NetSys/quilt,NetSys/quilt