Switched data model to use NSData w/ external storage for images, instead of Transformables.
Merge branch 'master' of https://github.com/TBITracker/taskplanner

# By Shepard Saltzman
# Via Shepard Saltzman
* 'master' of https://github.com/TBITracker/taskplanner:
  [sv convertPoint:sv.bounds.origin toView:self.timelineScrollView].x - [self timelineScrollView].contentOffset.x, I should have known.
  Animation changes