specs: Rename DB_HOST to DB_MASTER
specs: Rename DB_HOST to DB_MASTER

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