Update composer.json

Added the required dependancies.

Author: davidyell

composer.json

@@ -14,6 +14,8 @@
         }
     ],
     "require": {
-        "composer/installers": "*"
+        "composer/installers": "*",
+        "davidyell/nice-admin": "0.1.*",
+        "cakedc/utils": "1.4.*"
     }
 }