config.h: drop font size to 18

Signed-off-by: Brendan Le Foll <brendan@fridu.org>
dwm.c: ansi escape codes to colorize your status bar

la11111's patch for ansicolor

Signed-off-by: Brendan Le Foll <brendan@fridu.org>
bstack: add bottomstack patches

Signed-off-by: Brendan Le Foll <brendan@fridu.org>