Fix Bug 1101261 - Visiting www.mozilla.org/firefox/new/ (and others) with an es browser leads to /es-AR/ page.
Bug 690725 - make copyright licensing of logos more clear. a=liz.
Merge pull request #2447 from gerv/690725
Merge pull request #2520 from kyoshino/bug-1101261-es-locale

Fix Bug 1101261 - Visiting www.mozilla.org/firefox/new/ (and others) with an es browser leads to /es-AR/ page.