030919  Cleaned up the code for release.

030304  New widget in MwApplicationShell.c is subclassed from
        applicationShellWidgetClass, but has callbacks for
        OffiX and Xdnd drops.

030209  MwMenu.c: catch X errors in XGrabButton. Needed for OpenWindows,
        discovered by James B. Hiller .
        Released 0.2.3.

030128  Changed malloc to MwMalloc, realloc to MwRealloc and
        free to MwFree in MwRudegrid.c.