Store changes to the size and position of panels in a layout to its configuration. The mct-representation directive (and its constituent parts) is responsible for detecting and persisting these changes as appropriate. WTD-535.
Utilize mct-drag in the layout view to allow editing of frame position by drag. WTD-535.
Add methods for tracking interactions with frames in a layout. WTD-535.
Add a controller for Layouts to choose frame positions. WTD-535.
