renamed package

composer.json

 {
 {
-    "name": "maknz/slack-laravel",
+    "name": "ecd/slack-laravel",
     "description": "Laravel 4 and 5 integration for the maknz/slack package, including facades and service providers.",
     "description": "Laravel 4 and 5 integration for the maknz/slack package, including facades and service providers.",
     "keywords": ["slack", "laravel"],
     "keywords": ["slack", "laravel"],
     "license": "BSD-2-Clause",
     "license": "BSD-2-Clause",