Adds package and subpackage membership

Also removes the gettext_pl from the author line as there is nothing in
it which should be translated.
ngettext_pl for description

Requires Zenphoto 1.4.4.4s #97db9541222411cdb1e40df32a7c81f1411431e8
Merge pull request #7 from sbillard/master

small un-important updates