Modified the http module to remove the cyclic references. Added promises.d.ts.

http/http.impl.ts

@@ -0,0 +1,47 @@
+import image = require("image-source");
+import promises = require("promises");
+import request = require("http/http-request");
+
+// merge the exports of the request file with the exports of this file
+declare var exports;
+require("utils/module-merge").merge(request, exports);
+
+/**
+* Gets string from url.
+*/
+export function getString(arg: any): promises.Promise<string> {
+    var d = promises.defer<string>();
+
+    request.request(typeof arg === "string" ? { url: arg, method: "GET" } : arg)
+        .then(r => d.resolve(r.content.toString()))
+        .fail(e => d.reject(e));
+
+    return d.promise();
+}
+
+/**
+  * Gets JSON from url.
+  */
+export function getJSON<T>(arg: any): promises.Promise<T> {
+    var d = promises.defer<T>();
+
+    request.request(typeof arg === "string" ? { url: arg, method: "GET" } : arg)
+        .then(r => d.resolve(r.content.toJSON()))
+        .fail(e => d.reject(e));
+
+    return d.promise();
+}
+
+/**
+  * Gets image from url.
+  */
+
+export function getImage(arg: any): promises.Promise<image.ImageSource> {
+    var d = promises.defer<image.ImageSource>();
+
+    request.request(typeof arg === "string" ? { url: arg, method: "GET" } : arg)
+        .then(r => d.resolve(r.content.toImage()))
+        .fail(e => d.reject(e));
+
+    return d.promise();
+}