Upgrade package: perl-statistics-r (0.32-2 to 0.33-1)

Remove dependency on "perl-text-balanced" because Text::Balanced is a
Perl core module.
Upgrade package: perl-unix-processors (2.042-5 to 2.043-1)

Add LGPL3 to the licenses array. LGPL3 is listed alongside the Artistic
2.0 license in the README found on CPAN.