Merge pull request #385 from grauehaare/master

New Package: libextractor-1.1, Library used to extract meta data from files
libextractor: move more files to -devel; enable libgsf; remove unused deps.
libreoffice-bin: update to 4.2.4.
hooks/post-install/99-pkglint: print correct shlib for unversioned shlibs not in common/shlibs.
pulseaudio: add systemd build option (on by default); use default configuration files too.