Working on buttons for editing step
Merge branch 'master' of https://github.com/TBITracker/taskplanner
Done and delete now work.
Edit, delete and done buttons work.  Still need to make steps shift over, and some wonkiness with handles not shifting.
Merge branch 'master' of https://github.com/TBITracker/taskplanner

Conflicts:
	TBITaskPlanner/TBITaskTimelineView.h