* pipi.c: add "--blur" and "--dither" commandline options. * blur.c dither.c: remove these examples, pipi.c works a lot better: pipi src.png --blur 10 dest.png pipi src.png --dither dbs dest.png (and of course combinations are possible) git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2694 92316355-f0b4-4df1-b90c-862c8a59935f