Reenable lint checks which pass wich issue #77 fix

Author: Emerson Prado

Rakefile

@@ -5,8 +5,6 @@ PuppetLint.configuration.send("disable_80chars")
 PuppetLint.configuration.send('disable_class_parameter_defaults')
 PuppetLint.configuration.send('disable_class_inherits_from_params_class')
 PuppetLint.configuration.send('disable_documentation')
-PuppetLint.configuration.send('disable_autoloader_layout')
-PuppetLint.configuration.send('disable_nested_classes_or_defines')
 PuppetLint.configuration.log_format = "%{path}:%{linenumber}:%{check}:%{KIND}:%{message}"
 PuppetLint.configuration.fail_on_warnings = true