Significant contributions from:
- Michael Tokarev <mjt@tls.msk.ru>
- Florian Forster <octo@verplant.org>
+- Grzegorz Dymarek <gregd72002@googlemail.com>
+- Max Rijevski <maksuf@gmail.com>
+- Scott Lamb <slamb@slamb.org>
These files are from other sources:
* lib/pidfile.h and lib/pidfile.c are by Martin Schulze, taken from