[systemd] (17 commits) ...Merge branch 'f18'

[Lennart Poettering]

Summary of changes:

  87d0d4f... drop obsolete --disable-plymouth configure argument (*)
  c7ab700... switch-root: remount MS_PRIVATE (*)
  bff9349... add missing patches (*)
  38a7fb7... New upstream release (*)
  b1c19b8... update preset policy (*)
  53dceb0... git: explain that people should not blindly rebuild things  (*)
  558d659... update preset file (*)
  301de5d... update preset list (*)
  f2b7723... reorder preset list a bit (*)
  2eb0202... preset: move arp-ethers to the rest of the network services (*)
  391f9f8... Don't pull in pkg-config as dep (*)
  8c99ae3... preset: drop arp-ethers again (*)
  c070a16... only enable pcscd.socket by default (*)
  bd0400e... ghost /etc/timezone (*)
  7b4894e... add missing commit from master from Ray (*)
  e7fd3d9... upload tarball (*)
  13bcb32... Merge branch 'f18'

(*) This commit already existed in another branch; no separate mail sent