Update composer.json

Author: barryvdh

composer.json

@@ -1,6 +1,8 @@
 {
     "name": "barryvdh/laravel-async-queue",
     "description": "Async Queue Driver for Laravel (Push to background)",
+    "keywords": ["laravel", "queue", "async", "background"],
+    "license": "MIT",
     "authors": [
         {
             "name": "Barry vd. Heuvel",
@@ -10,8 +12,7 @@
     "require": {
         "php": ">=5.3.0",
         "illuminate/support": "4.x|5.0.x",
-        "illuminate/console": "4.x|5.0.x",
-        "symfony/process": "~2.3"
+        "illuminate/console": "4.x|5.0.x"
     },
     "autoload": {
         "classmap": [