We are doing the same in this conditions

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

railties/lib/rails/configuration.rb

@@ -56,9 +56,7 @@ def method_missing(method, *args)
 
         return @options[method] if args.empty?
 
-        if method == :rails
-          namespace, configuration = :rails, args.shift
-        elsif args.first.is_a?(Hash)
+        if method == :rails || args.first.is_a?(Hash)
           namespace, configuration = method, args.shift
         else
           namespace, configuration = args.shift, args.shift