Proper GPL-2+

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
Order options alphabetically

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
Merge pull request #20 from jaalto/gpl

Add proper GPL-2+
Merge pull request #21 from jaalto/options

Order options alphabetically
Add man/ directory for manual page

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
Merge pull request #23 from jaalto/man

Add man/ directory for manual page