Pontoon: Update Spanish (es) localization of Mozilla Learning Network
Pontoon: Update Spanish (es) localization of Mozilla Learning Network

Localization authors:
- avelper <avelper@mozilla-hispano.org>
- Luis Arturo Jacobo <luisartjacobo@gmail.com>

mozilla/teach.mozilla.org,mozilla/teach.webmaker.org,mozilla/learning.mozilla.org,mozilla/teach.mozilla.org,mozilla/teach.webmaker.org