[Gtkradiant] [Bug 89] New: implement Quake 1 support

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=89

           Summary: implement Quake 1 support
           Product: GtkRadiant
           Version: 1.2
          Platform:
               URL:
        OS/Version: Linux
            Status: NEW
 Status Whiteboard:
          Keywords:
        Resolution:
          Severity: normal
          Priority: P2
         Component: editor
        AssignedTo: ttimo@idsoftware.com
        ReportedBy: ttimo@idsoftware.com


Based on new modular architecture, Quake 1 support needs to get implemented.