Update underscore

Author: eduard13

lib/web/mage/utils/main.js

@@ -7,7 +7,9 @@ define(function (require) {
 
     var utils = {},
         _ = require('underscore'),
-        root = this || (0, eval)('this');
+        root = typeof self == 'object' && self.self === self && self
+            || typeof global == 'object' && global.global === global && global
+            || Function('return this')() || {};
 
     root._ = _;