Features:
+* add a man page "systemdall" that lists all of systemd's man pages, inspired by zsh's "zshall" page
+
* print a nicer explanation if people use variable/specifier expansion in ExecStart= for the first word
* kernel cmdline switch to turn of predictable network interface names
* udev: move to LGPL
* udev systemd unify:
- - strpcpy(), strpcpyl(), strscpy(), strscpyl()
- utf8 validator code
* udev: scsi_id -> sg3_utils -> kill scsi_id