libsigc++: add 2.3.1 bottle.
docbook: add 5.0 bottle.
libnet: add 1.1.6 bottle.
libao: add 1.2.0 bottle.
libidn: add 1.28 bottle.
berkeley-db: add 5.3.28 bottle.
protobuf: add 2.5.0 bottle.
fftw: add 3.3.3 bottle.
libmagic: add 5.17 bottle.