* plug-ins/gfig/gfig-preview.c: call gfig_grid_colours() in the
realize callback of the preview, so the gray gc of the grid works
again. Reported by Zigomar.
* plug-ins/gfig/gfig-dobject.c
* plug-ins/gfig/gfig-preview.h
* plug-ins/gfig/gfig-spiral.h
* plug-ins/gfig/gfig-star.h
* plug-ins/gfig/notes.txt: small cosmetics fixes.
* plug-ins/gfig/gfig-dialog.[ch]:
* plug-ins/gfig/gfig-style.[ch]:
* plug-ins/gfig/notes.txt: New files.
* plug-ins/gfig/*.[ch]: Complete reworking of the gfig plug-in.
See 'notes.txt' for a summary of what has changed, and how to use
it now. Plenty of bugs have been introduced, which will take a
while to straighten out.