d/control: fix build depends

Michael Prokop reports that iso-codes is a Build-Dependency.

While at it, change python-rpm to also be a Build-Dependency.

Reported-by: Michael Prokop <mika@debian.org>
Signed-off-by: Arturo Borrero Gonzalez <aborrero@cica.es>
d/copyright: update copyright

Update debian/copyright:
 * Add copyright for debian/*
 * Add copyright for file 'RpmFileCheck.py'
 * Add specific years for the file 'rpmlint'.

Suggested-by: Michael Propkop <mika@debian.org>
Signed-off-by: Arturo Borrero Gonzalez <aborrero@cica.es>