domain names in the output. Patch from Petr Lautrbach.
* Add a manual page for utmpdump as this tool is sometimes
very useful even if not intended for normal use.
* Use paths.h macros for wall
* Change path "/etc/powerstatus" to "/var/run/powerstatus"
place of setting the default childhandler within spawn().
Make sure that newline is printed out for last(1) even
if an utmp record entry is truncated.
Check if utmp not only exists but is writable and delay
writing out of the utmp runlevel record if utmp is not writable.
Be able to find libcrypt also on 64 bit based architectures.
