Drop pkg-config patch, pass pkgconfigUpstream to rakia and salut. svn path=/nixpkgs/trunk/; revision=34495
Some of these packages need glib-2.30.x, so I commit it to this branch. Add sofia-sip and telepathy-rakia. svn path=/nixpkgs/branches/glib-2.30-take2/; revision=33475
svn path=/nixpkgs/trunk/; revision=33079