Support save/load of dockable panel (AUI) states
Get rid of the perspective saving; implement JSON settings; apply to all AUI panels
Original report created by Jeff Young (jeyjey)
The current AUIManager is pretty buggy, so we don't use it much. However,
once we update wxWidgets we should finish it.
See the duplicate bug reports for some specifics that are currently broken.
Original tags: ui wxwidgets
Edited by Jon Evans