Adds an Ended state to Tasks within core.Task
Adds an Ended state to Tasks within core.Task

* Ended state means the schedule is finished without error. It cannot be resumed.

mkleina/snap,mkleina/snap,mjbrender/snap,mjbrender/snap,lynxbat/foo,intelsdi-x/snap,sandlbn/snap,sandlbn/snap,intelsdi-x/snap,lynxbat/foo