Mutiple updates from SciTech for wxWindows including the following:

1. Updates to HTML applet classes in client side include syntax
2. Updates to wxUniversal for OS/2
3. Updates for better palette management on Windows
4. Misc other fixes and changes to fix build system for Watcom 11.0


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12045 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/colour.h

@@ -35,6 +35,8 @@ public:
              ,unsigned char cBlue
             );
 
+    wxColour( unsigned long colRGB ) { Set(colRGB); }
+
     //
     // Implicit conversion from the colour name
     //