GPLv2+ for all code, except sd-daemon.[ch] which is MIT
REQUIREMENTS:
- Linux kernel >= 2.6.30 (with devtmpfs, cgroups; optional but strongly recommended: autofs4, ipv6)
+ Linux kernel >= 2.6.39 (with devtmpfs, cgroups; optional but strongly recommended: autofs4, ipv6)
libudev >= 172
dbus >= 1.4.0
libcap