harfbuzz: add bottle.
pango: add bottle.
atk: add bottle.
gtk+: add bottle.
mplayer: style nits
scons: add 2.3.0 bottle.
flac: add 1.3.0 bottle.
Remove diffpdf

The last version doesn't build, and the project homepage says
this software is not maintained, in favor of a commercial product.

Closes #25688.
Closes #25390.
gd: add 2.1.0 bottle.
cdimgtools 0.3 - strip CSS copy protection from DVDs

Closes #25827.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
mad: add 0.15.1b bottle.
lua: add 5.1.5 bottle.
popt: add 1.16 bottle.
libusb: add 1.0.18 bottle.
libusb-compat: add 0.1.5 bottle.
proj: add 4.8.0 bottle.
bdw-gc: add 7.2e bottle.
objective-caml: update 4.01.0 bottle.
lighttpd 1.4.34

Closes #26757.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
disco 0.5

Closes #26869.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>