On branch strong-params

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I'll pull to catch up after this commit
Change code to whitelist params
Remove attr_accessible lines
Add strong_params to Gemfile, since this branch is still on Rails 3
Mixin to ActiveRecord::Base ActiveModel::ForbiddenAttributesProtection
Use an initializer for the mixin

app/controllers/messages_controller.rb

@@ -33,4 +33,10 @@ class MessagesController < ApplicationController
       end
     end
   end
-end
+
+  private
+
+  def message_params
+    params.require(:message).permit(:creator_id, :message, :read, :receiver_id)
+  end
+end