Update package.json homepage (#287)

Author: d-asensio

package.json

@@ -2,7 +2,7 @@
   "name": "typedoc",
   "description": "Create api documentations for typescript projects.",
   "version": "0.4.5",
-  "homepage": "http://typedoc.io",
+  "homepage": "http://typedoc.org",
   "main": "index.js",
   "typings": "index.d.ts",
   "bin": {