* Specctra exported polygons are now closed (as required)
* export custom shape is provided in code, but not activated, because i have no way to text it
* fix Specctra export dialog (replace OK and Cancel buttons by only one Close button)
Dialog Freeroute: if freeroute.jar is find in kicad binaries, it is run as a standard java application, not as web applcation
Very minor other fixes
FPC_(SMD_type)_footprintwizard.py wizard finished.
* Fix grid select box update bug on context menu.
* Fix via size and track width select box update bugs.
* Fix layer pair indicator button update bug.
* Fix auto track width tool bar control enable bug.
* Fix via size and track width select status bug in context menu.
* Fix layer select box and layer control widget select bug when current
layer is removed.
* Add virtual function to notify objects derived from EDA_DRAW_FRAME that
the units setting has changed.
* Coding policy class naming fixes.
jean-pierre charras
Simon Richter
Wayne Stambaugh
Dick Hollenbeck