minion: Correct Store.Set to respect TTLs
minion: Correct Store.Set to respect TTLs

Previously, the Set function of Store ignored the ttl parameter passed
to it. This patch fixed that bug and TTLs are now properly used.

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