allow skipping the validations on creation if its an api call AND skip_validations is specified

this allows wordpress plugin to post very very short titles or titles that would otherwise be disallowed

lib/topic_creator.rb

@@ -56,7 +56,7 @@ class TopicCreator
   end
 
   def save_topic
-    unless @topic.save
+    unless @topic.save(validate: !@opts[:skip_validations])
       @errors = @topic.errors
       raise ActiveRecord::Rollback.new
     end