rails 4 deprecation fixes

lib/freedom_patches/active_record_base.rb

@@ -14,7 +14,7 @@ class ActiveRecord::Base
   # note: update_attributes still spins up a transaction this can cause contention
   # this method performs the raw update sidestepping the locking
   def update_columns(hash)
-    self.class.update_all(hash, self.class.primary_key => self.id)
+    self.class.where(self.class.primary_key => self.id).update_all(hash)
   end
 
   def exec_sql(*args)

lib/post_creator.rb

@@ -112,9 +112,9 @@ class PostCreator
 
   def track_latest_on_category
     if @post && @post.errors.count == 0 && @topic && @topic.category_id
-      Category.update_all( {latest_post_id: @post.id}, {id: @topic.category_id} )
+      Category.where(id: @topic.category_id).update_all(latest_post_id: @post.id)
       if @post.post_number == 1
-        Category.update_all( {latest_topic_id: @topic.id}, {id: @topic.category_id} )
+        Category.where(id: @topic.category_id).update_all(latest_topic_id: @topic.id)
       end
     end
   end

vendor/gems/discourse_task/lib/discourse_task/plugin.rb

@@ -70,10 +70,8 @@ module DiscourseTask
             topic.update_meta_data(complete: false)
             topic.add_moderator_post(current_user, I18n.t(:'task.reversed'))
           end
-
         end
 
-
         render nothing: true
       end