add-a-step works but won't let you save the title... various other updates
Merge branch 'master' of https://github.com/TBITracker/taskplanner

Conflicts:
	TBITaskPlanner.xcodeproj/project.pbxproj
	TBITaskPlanner/TBITaskTimelineView.m
Can add steps now w/ text input at least; animation's a little off when first creating new step