Implemented duration-based layout to support decomposed timeline view
Added background drawing for Decision component in timeline
Fix transparency of embedded views within Timeline
Initial implementation of separate, general-purpose GraphView
Improve drawing quality of modified GraphView
Added stub for Timeline Local Controls, as well as abstract superclass for various time-based views to utilize it
Include an instance of Graph View by default in Timeline
Added mouse controller to move activity (needs to trigger repaint/layout appropriately.)
Activities respond to user gestures
Save all enables as appropriate for new timeline view
Added left-hand axis to cost graph, with labels
Update Graph View while activities are being dragged
Added labels to Graph View
Vary colors for Graph View
Display durations in embedded Activity Views
Added top bar (total duration zoom slider) to timeline controls
Provided layout for lower area of timeline controls
Added numbered tick marks to lower timeline controls
Initial overlay implementation
Suppress visibility of overlay to prevent Cursor swallowing when manipulating activities