http://www.theregister.co.uk/2014/12/01/ttsystemdtt_row_ends_with_debian_getting_forked
http://lists.dyne.org/lurker/message/20141127.212941.f55acc3a.en.html
http://news.ycombinator.com/item?id=7728692
http://www.networkworld.com/article/2837792/opensource-subnet/debian-community-splits-over-systemd-but-fork-still-unlikely.html
http://www.linux-magazine.com/Online/News/Debian-Gets-Forked
http://www.linuxinsider.com/story/81452.html
http://devuan.org/newsletter_22dec.html
http://www.linuxinsider.com/story/81637.html
http://www.theregister.co.uk/2015/04/27/debian_quits_wheezing_ships_jessie