* Makefile.am: don't do docs generation by default

        * configure.in: -lXt for webbrowser plugin

        * libgimp/gimp.c
        * libgimp/gimpprotocol.c
        * libgimp/gimptile.c
        * libgimp/gimpwire.c
        * app/plug_in.c: applied memory leak patch from Mattias Gronlund

        * app/eraser.c
        * app/eraser.h
        * app/internal_procs.c
        * app/paintbrush.c
        * app/paintbrush.h: incremental modes for eraser and paintbrush,
        as well as a "hard eraser"

        * plug-ins/ifscompose/ifscompose.c: pixmap visual fixups

-Yosh