* Add an empty doxygen.css file.

accordingly

such as "man tutorial" showing the libcaca tutorial on Debian systems.

the Doxygen documentation.

of --plugin-libs from it. The option is still here but does the same as
    --libs.

* Partial update of the C++ bindings.
  * Updated documentation.

escape them. Fix that upon installation.

compatibility layer.

skeleton of a tutorial for Jylam.

documentation page from caca.h to a separate file.

hyperlinks! Also, set compact LaTeX mode and a few other Doxygen options.

of unicode letters) is now separated from the higher level rendering and I/O
(that is, libcaca). This commit totally breaks the API, but once everything
is polished I will think about source-level backward compatibility. Most
drivers are broken, but X11 still sorta works.

  The new design is much more object-oriented and allows having several
active renderers at the same time, changing renderers on the fly, and more
important, having no renderer at all (useful for converters, or when you
want to do your own renderer).

  And in case you are still wondering, the libcucul acronym has "Unicode"
because I want to support at least a subset of Unicode. There are awesome
glyphs in it, including the ones inherited from Codepage 437 such as
"gray 25%" that are used in DOS and Win32 ANSI art.

+ Really fixed the manpage generation.

+ Manpage installation fix.