adds missing i18n keys to settings

config/locales/settings.en.yml

@@ -14,7 +14,18 @@ en:
     months_to_archive_proposals: "Months to archive Proposals"
     email_domain_for_officials: "Email domain for public officials"
     per_page_code: "Code to be included on every page"
+    twitter_handle: "Twitter handle"
+    twitter_hashtag: "Twitter hashtag"
+    facebook_handle: "Facebook handle"
+    youtube_handle: "Youtube handle"
+    blog_url: "Blog URL"
+    url: "Main URL"
+    org_name: "Organization"
+    place_name: "Place"
     feature:
+      twitter_login: Twitter login
+      facebook_login: Facebook login
+      google_login: Google login
       debates: Debates
       spending_proposals: Investment projects
       spending_proposal_features:

config/locales/settings.es.yml

@@ -14,7 +14,18 @@ es:
     months_to_archive_proposals: "Meses para archivar las Propuestas"
     email_domain_for_officials: "Dominio de email para cargos públicos"
     per_page_code: "Código a incluir en cada página"
+    twitter_handle: "Usuario de Twitter"
+    twitter_hashtag: "Hashtag para Twitter"
+    facebook_handle: "Identificador de Facebook"
+    youtube_handle: "Usuario de Youtube"
+    blog_url: "URL del blog"
+    url: "URL general de la web"
+    org_name: "Nombre de la organización"
+    place_name: "Nombre del lugar"
     feature:
+      twitter_login: Registro con Twitter
+      facebook_login: Registro con Facebook
+      google_login: Registro con Google
       debates: Debates
       spending_proposals: Propuestas de inversión
       spending_proposal_features: