fix author site to homepage

composer.json

@@ -8,10 +8,10 @@
     "authors": [
         {
             "name": "Justin Walsh",
-            "site": "http://todaymade.com/"
+            "homepage": "http://todaymade.com/"
         }
     ],
     "require": {
         "php": ">=5.3"
     }
-}
+}