Pontoon: Update Spanish (es) localization of AMO
Pontoon: Update Spanish (es) localization of AMO

Localization authors:
- avelper <avelper@mozilla-hispano.org>

mozilla/addons-server,eviljeff/olympia,psiinon/addons-server,diox/olympia,mozilla/olympia,wagnerand/addons-server,bqbn/addons-server,bqbn/addons-server,diox/olympia,eviljeff/olympia,wagnerand/addons-server,diox/olympia,mozilla/olympia,mozilla/olympia,eviljeff/olympia,mozilla/addons-server,eviljeff/olympia,wagnerand/addons-server,bqbn/addons-server,psiinon/addons-server,mozilla/addons-server,diox/olympia,psiinon/addons-server,psiinon/addons-server,bqbn/addons-server,wagnerand/addons-server,mozilla/addons-server,mozilla/olympia