Option for separate attr_accessible reports

By default, all models not using attr_accessible
are combined into a single warning. This option
will provide an individual warning for each
model. Useful for tracking new warnings.

bin/brakeman

@@ -117,6 +117,10 @@ OptionParser.new do |opts|
     options[:output_file] = file
   end
 
+  opts.on "--separate-models", "Warn on each model without attr_accessible" do
+    options[:collapse_mass_assignment] = false
+  end
+
   opts.on "-w", 
     "--confidence-level LEVEL", 
     ["1", "2", "3"],