Add node modules and compiled JavaScript from main

node_modules/rsvp/lib/rsvp/defer.js

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+import Promise from "./promise";
+
+/**
+  `defer` returns an object similar to jQuery's `$.Deferred`.
+  `defer` should be used when porting over code reliant on `$.Deferred`'s
+  interface. New code should use the `Promise` constructor instead.
+
+  The object returned from `defer` is a plain object with three properties:
+
+  * promise - an `Promise`.
+  * reject - a function that causes the `promise` property on this object to
+    become rejected
+  * resolve - a function that causes the `promise` property on this object to
+    become fulfilled.
+
+  Example:
+
+   ```javascript
+   let deferred = defer();
+
+   deferred.resolve("Success!");
+
+   deferred.promise.then(function(value){
+     // value here is "Success!"
+   });
+   ```
+
+  @method defer
+  @public
+  @static
+  @for rsvp
+  @param {String} [label] optional string for labeling the promise.
+  Useful for tooling.
+  @return {Object}
+ */
+
+export default function defer(label) {
+  let deferred = { resolve: undefined, reject: undefined };
+
+  deferred.promise = new Promise((resolve, reject) => {
+    deferred.resolve = resolve;
+    deferred.reject = reject;
+  }, label);
+
+  return deferred;
+}