FIX: use wizard-i18n helper to support theme translation overrides (#88)

assets/javascripts/wizard/templates/components/similar-topics-validator.hbs

@@ -1,9 +1,9 @@
 <label class={{currentStateClass}}>
   {{#if currentState}}
     {{#if insufficientCharactersCategories}}
-      {{html-safe (i18n currentStateKey catLinks=catLinks)}}
+      {{html-safe (wizard-i18n currentStateKey catLinks=catLinks)}}
     {{else}}
-      {{i18n currentStateKey}}
+      {{wizard-i18n currentStateKey}}
     {{/if}}
   {{/if}}
 </label>

assets/javascripts/wizard/templates/components/validator.hbs

@@ -1,5 +1,5 @@
 {{#if isValid}}
-  {{i18n validMessageKey}}
+  {{wizard-i18n validMessageKey}}
 {{else}}  
-  {{i18n invalidMessageKey}}
+  {{wizard-i18n invalidMessageKey}}
 {{/if}}

assets/javascripts/wizard/templates/components/wizard-similar-topics.hbs

@@ -6,6 +6,6 @@
   </ul>
 {{else}}
   <a class="show-topics" {{action "toggleShowTopics"}}>
-    {{i18n 'realtime_validations.similar_topics.show'}}
+    {{wizard-i18n 'realtime_validations.similar_topics.show'}}
   </a>
 {{/if}}