* gimptool.in: added --install-script. Use @INSTALL@ stuff

* libgimp/gimpimage.c
* libgimp/gimplayer.c: fixes for silly errors from Marc Lehmann

* libgimp/gimpchannel.c: implemented gimp_channel_set_show_masked and
gimp_channel_get_show_masked (already in gimp.h>

* plug-ins/blinds/blinds.c
* plug-ins/bmp/bmp.h
* plug-ins/mosaic/mosaic.c
* plug-ins/ripple/ripple.c
* plug-ins/tga/tga.c
* plug-ins/tileit/tileit.c: remove definitions of TRUE and FALSE since glib
does it for us

-Yosh