[Gtkradiant] [Bug 84] modify current code so that modules/plugins can be loaded from a modules/ directory

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=84

ttimo@idsoftware.com changed:

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED