Added the underscore node_module.

node_modules/underscore/amd/every.js

@@ -0,0 +1,17 @@
+define(['./_cb', './_isArrayLike', './keys'], function (_cb, _isArrayLike, keys) {
+
+  // Determine whether all of the elements pass a truth test.
+  function every(obj, predicate, context) {
+    predicate = _cb(predicate, context);
+    var _keys = !_isArrayLike(obj) && keys(obj),
+        length = (_keys || obj).length;
+    for (var index = 0; index < length; index++) {
+      var currentKey = _keys ? _keys[index] : index;
+      if (!predicate(obj[currentKey], currentKey, obj)) return false;
+    }
+    return true;
+  }
+
+  return every;
+
+});