+ Minor change to the dithering names.
  * TODO:
    + Added cacaview TODO.
  * doc/cacaview.1:
    + Wrote a manpage for cacaview.
  * examples/Makefile.am:
    + Moved the -DX_DISPLAY_MISSING=1 here.
  * examples/view.c:
    + Capital 'D' cycles through dithering modes in reverse order.
    + Sleep when there is nothing to do.
    + Cosmetic code reorganisation.

+ Simple image viewer, cacaview, based on libcaca and imlib2.
    + Renamed caca-demo into cacademo.
  * doc/:
    + Renamed doc/caca-demo.1 into doc/cacademo.1.