- making sure Scintilla's characterClass is never null

git-svn-id: http://flashdevelop.googlecode.com/svn/trunk@2686 2354be2f-a62e-0410-afb7-89360a396392
NME is Haxe2 only, simplifying some options

git-svn-id: http://flashdevelop.googlecode.com/svn/trunk@2687 2354be2f-a62e-0410-afb7-89360a396392