utils: improve string to number conversion check
man: fix typo
Use Debian variant of knot.sample.conf (fixes #66)
Add example of master and slave zone
remove redundant sample of knot.conf
Automatically update date in man pages to configure.ac last modification date
configure: add --with-configdir option, defaults to $(sysconfdir)/knot

issue #64
knot.sample.conf: variable replacement fixes
config: add pidfile directive, defaults to $(rundir)/knot.pid

issue #67
doc: add pidfile

issue #67
Updated config files to reflect rundir/storage differences.
Proper removing of UNIX control socket.

prev 3202195ce
Removed default evqueue, as it's not used anyway.
Updated xfr_tests to the evqueue changes.
doc: update storage/rundir description
doc: fix horizontal overfull
Put storage dir into ${localstatedir}/knot (fixes #69)
Variables don't get replaced in configure --help
Updated documentation and configs to reflect 'storage' default change.

refs #69
Fix missing lib/