Disable puppet-lint variable scope checks.

Rakefile

@@ -8,4 +8,5 @@ PuppetLint.configuration.send('disable_80chars')
 PuppetLint.configuration.send('disable_class_inherits_from_params_class')
 PuppetLint.configuration.send('disable_documentation')
 PuppetLint.configuration.send('disable_single_quote_string_with_variables')
+PuppetLint.configuration.send('disable_variable_scope')
 PuppetLint.configuration.ignore_paths = ["spec/**/*.pp", "pkg/**/*.pp"]