gcc473/474: always emit a proper libgcc link command

change as proposed by rich felker for the recent rtorrent breakage
(issue #232)
rtorrent/libtorrent: pass our optcflags to CXXFLAGS
butch-print: a pretty-printer for packages
butch: adding butch-print support
dlinfo.sh: adding a newline after [mirrors], like butch-print
libxxf86dga: fixing missing dependency
boost: fixing missing dependency
libdmx: fixing missing dependency
libxcomposite: fixing missing dependency
libxcursor: fixing missing dependency
libxrandr: fixing missing dependency
libxres: fixing missing dependency
libxtst: fixing missing dependency
Merge branch 'butch-print'