check which daemons need to be restarted after library upgrades

 needrestart checks which daemons need to be restarted after library upgrades.
 It is inspired by checkrestart from the debian-goodies package.
 .
 Features:
  - supports (but does not require) systemd
  - binary blacklisting (i.e. display managers)
  - tries to detect required restarts of interpreter based daemons
    (supports Java, Perl, Python, Ruby)
  - tries to detect required restarts of containers (docker, LXC)
  - tries to detect pending kernel upgrades
  - tries to detect pending microcode upgrades for Intel CPUs
  - could be used as nagios check_command
  - fully integrated into apt/dpkg using hooks