add node modules to repo

app/node_modules/strip-bom/index.js

@@ -0,0 +1,17 @@
+'use strict';
+var isUtf8 = require('is-utf8');
+
+module.exports = function (x) {
+	// Catches EFBBBF (UTF-8 BOM) because the buffer-to-string
+	// conversion translates it to FEFF (UTF-16 BOM)
+	if (typeof x === 'string' && x.charCodeAt(0) === 0xFEFF) {
+		return x.slice(1);
+	}
+
+	if (Buffer.isBuffer(x) && isUtf8(x) &&
+		x[0] === 0xEF && x[1] === 0xBB && x[2] === 0xBF) {
+		return x.slice(3);
+	}
+
+	return x;
+};