[darwin] add first-run magic file to bundle skel
[darwin] add first-run magic file to bundle skel

mono/bockbuild,bl8/bockbuild,mono/bockbuild,BansheeMediaPlayer/bockbuild,bl8/bockbuild,BansheeMediaPlayer/bockbuild,BansheeMediaPlayer/bockbuild,bl8/bockbuild