adds i18n to annotator

app/assets/javascripts/application.js

@@ -29,6 +29,7 @@
 //= require moderator_debates
 //= require moderator_proposals
 //= require prevent_double_submission
+//= require gettext
 //= require annotator
 //= require tags
 //= require users

app/assets/javascripts/gettext.js.coffee

@@ -0,0 +1,20 @@
+i18n = {
+  es: {
+    "Comments": "Comentarios",
+    "Cancel": "Cancelar",
+    "Save": "Guardar",
+  },
+  en: {
+    "Comments": "Coments",
+    "Cancel": "Cancel",
+    "Save": "Save",
+  }
+}
+
+window.Gettext = (key) ->
+  gettext: (key) ->
+    locale_id = $('html').attr('lang')
+    locale    = i18n[locale_id]
+    if locale && locale[key]
+      return locale[key]
+    key