Update to Laravel 5.1

Author: vyuldashev

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "fintech-fab/laravel-queue-rabbitmq",
-  "version": "5.0",
+  "version": "5.1",
   "description": "RabbitMQ driver for Laravel Queue",
   "license": "Apache-2.0",
   "authors": [
@@ -10,9 +10,9 @@
     }
   ],
   "require": {
-    "php": ">=5.4.0",
-    "illuminate/support": "5.0.*",
-    "illuminate/queue": "5.0.*",
+    "php": ">=5.5.9",
+    "illuminate/support": "5.1.*",
+    "illuminate/queue": "5.1.*",
     "videlalvaro/php-amqplib": "2.5.*"
   },
   "autoload": {