add dependency for redis plugin

composer.json

@@ -10,7 +10,8 @@
         "filp/whoops": "^2.1",
         "swiggles/memcache": "^2.0",
         "erusev/parsedown": "^1.6",
-        "yajra/laravel-datatables-oracle": "~6.0"
+        "yajra/laravel-datatables-oracle": "~6.0",
+        "predis/predis": "~1.0"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",

composer.lock

@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "cf4826cb5df8157a0004708bed6439d8",
-    "content-hash": "89d8b3748af3c899e6783a21ea31e8ba",
+    "hash": "d488e702736042334ed0a7d6ab547963",
+    "content-hash": "04b8c2eeb61a19efb89d74af342b5e78",
     "packages": [
         {
             "name": "classpreloader/classpreloader",
@@ -1345,6 +1345,56 @@
             ],
             "time": "2015-05-01 07:00:55"
         },
+        {
+            "name": "predis/predis",
+            "version": "v1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nrk/predis.git",
+                "reference": "f0210e38881631afeafb56ab43405a92cafd9fd1"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://packagist.phpcomposer.com/files/nrk/predis/f0210e38881631afeafb56ab43405a92cafd9fd1.zip",
+                "reference": "f0210e38881631afeafb56ab43405a92cafd9fd1",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.9"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.8"
+            },
+            "suggest": {
+                "ext-curl": "Allows access to Webdis when paired with phpiredis",
+                "ext-phpiredis": "Allows faster serialization and deserialization of the Redis protocol"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Predis\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Daniele Alessandri",
+                    "email": "suppakilla@gmail.com",
+                    "homepage": "http://clorophilla.net"
+                }
+            ],
+            "description": "Flexible and feature-complete Redis client for PHP and HHVM",
+            "homepage": "http://github.com/nrk/predis",
+            "keywords": [
+                "nosql",
+                "predis",
+                "redis"
+            ],
+            "time": "2016-06-16 16:22:20"
+        },
         {
             "name": "psr/log",
             "version": "1.0.2",