Added vulcanize under third_party/npm_modules

node_modules/vulcanize/node_modules/update-notifier/node_modules/configstore/node_modules/js-yaml/node_modules/argparse/lib/action/append.js

Index: node_modules/vulcanize/node_modules/update-notifier/node_modules/configstore/node_modules/js-yaml/node_modules/argparse/lib/action/append.js
diff --git a/node_modules/vulcanize/node_modules/update-notifier/node_modules/configstore/node_modules/js-yaml/node_modules/argparse/lib/action/append.js b/node_modules/vulcanize/node_modules/update-notifier/node_modules/configstore/node_modules/js-yaml/node_modules/argparse/lib/action/append.js
new file mode 100644
index 0000000000000000000000000000000000000000..48c6dbe30de5d6382e92b819170a5e1324070cc3
--- /dev/null
+++ b/node_modules/vulcanize/node_modules/update-notifier/node_modules/configstore/node_modules/js-yaml/node_modules/argparse/lib/action/append.js
@@ -0,0 +1,55 @@
+/*:nodoc:*
+ * class ActionAppend
+ *
+ * This action stores a list, and appends each argument value to the list.
+ * This is useful to allow an option to be specified multiple times.
+ * This class inherided from [[Action]]
+ *
+ **/
+
+'use strict';
+
+var util = require('util');
+
+var Action = require('../action');
+
+// Constants
+var $$ = require('../const');
+
+/*:nodoc:*
+ * new ActionAppend(options)
+ * - options (object): options hash see [[Action.new]]
+ *
+ * Note: options.nargs should be optional for constants
+ * and more then zero for other
+ **/
+var ActionAppend = module.exports = function ActionAppend(options) {
+  options = options || {};
+  if (this.nargs <= 0) {
+    throw new Error('nargs for append actions must be > 0; if arg ' +
+        'strings are not supplying the value to append, ' +
+        'the append const action may be more appropriate');
+  }
+  if (!!this.constant && this.nargs !== $$.OPTIONAL) {
+    throw new Error('nargs must be OPTIONAL to supply const');
+  }
+  Action.call(this, options);
+};
+util.inherits(ActionAppend, Action);
+
+/*:nodoc:*
+ * ActionAppend#call(parser, namespace, values, optionString) -> Void
+ * - parser (ArgumentParser): current parser
+ * - namespace (Namespace): namespace for output data
+ * - values (Array): parsed values
+ * - optionString (Array): input option string(not parsed)
+ *
+ * Call the action. Save result in namespace object
+ **/
+ActionAppend.prototype.call = function (parser, namespace, values) {
+  var items = [].concat(namespace[this.dest] || []); // or _.clone
+  items.push(values);
+  namespace.set(this.dest, items);
+};
+
+