Rakefile: use Puppet Approved puppet-lint config

Rakefile

@@ -15,4 +15,7 @@ PuppetLint.configuration.fail_on_warnings
 PuppetLint.configuration.send('relative')
 PuppetLint.configuration.send('disable_80chars')
 PuppetLint.configuration.send('disable_class_inherits_from_params_class')
+PuppetLint.configuration.send('disable_class_parameter_defaults')
 PuppetLint.configuration.send('disable_documentation')
+PuppetLint.configuration.send('disable_single_quote_string_with_variables')
+PuppetLint.configuration.ignore_paths = ["spec/**/*.pp", "pkg/**/*.pp"]