+ Mouse initialisation in ncurses.
  * src/io.c:
    + Mouse support in ncurses.

+ Doxygenated a few things.

+ A few updates.
  * src/blit.c:
    + Split blit() into caca_create_bitmap() and caca_draw_bitmap().
    + Started removing hardcoded bitmask and pitch values.
  * examples/demo.c:
    + Do something with mouse clicks.

+ Renamed sdl_get_key() into sdl_get_event().
    + Handle mouse clicks.
  * src/caca.c:
    + Activate the terminal's mouse handling if supported.

+ Interpret escape sequences for F1, F2, left, right, etc.
  * src/Makefile.am examples/Makefile.am:
    + Install caca.h in /usr/include.
    + Do not install example programs.
  * src/blit.c:
    + Minor improvements to grayscale colors.

+ Hue calculation now uses integers only.
    + Dithering is now parametrable. Implemented none, ordered, random.
  * examples/demo.c:
    + Added dithering selection.

+ Added caca_set_dithering() (unused yet).
    + Added random dithering.
  * src/caca.h:
    + Renamed legacy EE_* enums to CACA_*.
  * examples/demo.c examples/caca.txt:
    + Added a default sprite for libcaca.

to examples/.