Updated translation for messages.po

Added translations and fixed others. Not finished.
Merge pull request #1537 from auzelac91/patch-3

Updated translation for messages.po
Extract/compile script.  Today's lucky number is 10016.
update iarc icons, clean up content ratings css (bug 950233)
Merge pull request #1543 from ngokevin/iarcnewicons

update iarc icons, clean up content ratings css (bug 950233)