include node_modules so release .zip is deployable

node_modules/es5-ext/math/log1p/shim.js

@@ -0,0 +1,17 @@
+// Thanks: https://github.com/monolithed/ECMAScript-6/blob/master/ES6.js
+
+"use strict";
+
+var log = Math.log;
+
+module.exports = function (value) {
+	if (isNaN(value)) return NaN;
+	value = Number(value);
+	if (value < -1) return NaN;
+	if (value === -1) return -Infinity;
+	if (value === 0) return value;
+	if (value === Infinity) return Infinity;
+
+	if (value > -1.0e-8 && value < 1.0e-8) return value - (value * value) / 2;
+	return log(1 + value);
+};