adds consistency to ruby code style

Keep a blank line before and after private
Keep a blank line before and after protected
Remove extra empty line at class body end
Remove extra blank line
Add final newline
Use 2 (not 3) spaces for indentation
Use 2 (not 4) spaces for indentation
Remove space before comma
Add space after comma
Remove trailing whitespaces
Remove unnecessary spacing
Use snake_case for variable names
Do not use then for multi-line if
Remove unused block argument - i
Use the new Ruby 1.9 hash syntax
Remove unused assignment to variable
Indent when as deep as case
Align attributes
Align end with def

app/controllers/admin/stats_controller.rb

@@ -32,4 +32,5 @@ class Admin::StatsController < Admin::BaseController
     @direct_messages = DirectMessage.count
     @users_who_have_sent_message = DirectMessage.select(:sender_id).distinct.count
   end
-end
+
+end