update some packages and remove node_modules from repo

app/node_modules/xmlbuilder/lib/XMLProcessingInstruction.js

@@ -1,35 +0,0 @@
-// Generated by CoffeeScript 1.10.0
-(function() {
-  var XMLNode, XMLProcessingInstruction,
-    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
-    hasProp = {}.hasOwnProperty;
-
-  XMLNode = require('./XMLNode');
-
-  module.exports = XMLProcessingInstruction = (function(superClass) {
-    extend(XMLProcessingInstruction, superClass);
-
-    function XMLProcessingInstruction(parent, target, value) {
-      XMLProcessingInstruction.__super__.constructor.call(this, parent);
-      if (target == null) {
-        throw new Error("Missing instruction target");
-      }
-      this.target = this.stringify.insTarget(target);
-      if (value) {
-        this.value = this.stringify.insValue(value);
-      }
-    }
-
-    XMLProcessingInstruction.prototype.clone = function() {
-      return Object.create(this);
-    };
-
-    XMLProcessingInstruction.prototype.toString = function(options) {
-      return this.options.writer.set(options).processingInstruction(this);
-    };
-
-    return XMLProcessingInstruction;
-
-  })(XMLNode);
-
-}).call(this);