v3 new release (#80)

node_modules/underscore/cjs/extend.js

@@ -0,0 +1,7 @@
+var _createAssigner = require('./_createAssigner.js');
+var allKeys = require('./allKeys.js');
+
+// Extend a given object with all the properties in passed-in object(s).
+var extend = _createAssigner(allKeys);
+
+module.exports = extend;