Tear out most of the legacy code in the scenario editor - see below for details

- All Carbon code is gone
- Many dialogs converted; some are still left unimplemented since they still need to be converted
- Menus converted to a xib file
- The giant arrays specifying the configuration of the special node dialog for each special node type have been replaced with maps and sets.

Changes to dialogs:
- pict choice dialog can now show picts of differing types; this was required for picking a monster graphic, as monsters of all sizes need to be shown in the same dialog
- string choice dialog can set the title, and properly shows the currently selected string
- LEDs now accept font format
- Fixed LED group's calculation of its rect
- Fixed LED group crashing if it has no selection
- Tabbing between text fields now works
- Fix display of larger monster graphics in dialogs
- Fix the script element content showing in the browser preview

rsrc/dialogs/edit-terrain.xml

@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='UTF-8' standalone='no'?>
 <?xml-stylesheet href="dialog.xsl" type="text/xsl"?>
 <!--<!DOCTYPE dialog SYSTEM	"dialog.dtd">-->
-<dialog skin='light' fore='black' debug='true'>
+<dialog skin='light' fore='black' debug='true' defbtn='done'>
 	<text size='large' top='6' left='50' height='17' width='138'>Edit Terrain Type</text>
 	<pict name='graphic' type='ter' num='0' top='8' left='8'/>
 	<text top='8' left='222' height='14' width='111'>Terrain number:</text>