Make --check-config print parsed values

This allows to check how brickd interprets the config file.
Fix typo
Extend explanation in brickd.conf/.ini
Change config file parsing to allow # in parameter values

This is also more in line with the common UNIX config file handling.
linux: Fix all lintian errors in Debian package

Add manpages for brick and brickd.conf.

Add copyright and changelog file.

Fix md5sums file creation.

Mark /etc/brickd.conf and /etc/init.d/brickd ad config files.