Merge branch 'katp32/master'

Thanks Katherine Peeters for the patch and pull request!

Closes #294.

* katp32/master:
  Improve documentation for --syslog
  Added command line flag to enable syslog
  Split NoSyslog from behaviour of NoDaemon

diff --cc src/ngircd/log.c
Simple merge

diff --cc src/ngircd/log.h
Simple merge

diff --cc src/ngircd/ngircd.c
Simple merge