Notify: Rename 'story' to 'task'
Notify: Rename 'story' to 'task'

We deal with tasks, not stories. The
notifier was never updated back when
we switched the words we use.

holmwell/circle-blvd,secret-project/circle-blvd,holmwell/circle-blvd,holmwell/circle-blvd,secret-project/circle-blvd,holmwell/circle-blvd,secret-project/circle-blvd,secret-project/circle-blvd