Correcting licenses in several packages I maintain

[Zdenek Dohnal]

Hi,

I reviewed licenses in files for my packages, so I added several
corrections of license tags:

cups:

- from GPLv2

- to GPLv2+ and LGPLv2+ with exceptions and AML

cups-filters:

- from GPLv2 and GPLv2+ and GPLv3 and GPLv3+ and LGPLv2+ and MIT

- to GPLv2 and GPLv2+ and GPLv3 and GPLv3+ and LGPLv2+ and MIT and BSD
with advertising

hplip:

- from GPLv2+ and MIT and BSD
- to GPLv2+ and MIT and BSD and IJG and Public Domain and GPLv2+ with
exceptions and ISC

qpdf:
- from Artistic 2.0
- to (Artistic 2.0 or ASL 2.0) and MIT

sane-backends:
- from GPLv2+ and GPLv2+ with exceptions and Public Domain
- to GPLv2+ and GPLv2+ with exceptions and Public Domain and IJG and
LGPLv2+ and MIT

sane-frontends:
- from GPLv2+
- to GPLv2+ and LGPLv2+ and GPLv2+ with exceptions

vim:
- from Vim
- to Vim and MIT
-- 

Zdenek Dohnal
Associate Software Engineer
Red Hat Czech - Brno TPB-C