hard-code german/port. iarc strings (bug 1005285)
add USK descriptors (bug 1005273)
Merge pull request #460 from ngokevin/iarcup

add USK descriptors, hardcode german/portuguese iarc strings
fix for bug 985737, relies on PR 82 on legal-docs

respond to feedback from @ngokevin

moved filters to own file, added tests

oops, forgot to rename all the things

rename tests

one more try

remove console logging

remove dead code

move filter to helper_locals