add phpunit dependency

Author: streamtw

README.md

@@ -1,6 +1,5 @@
 # Laravel Filemanager
 
-[![Build Status](https://travis-ci.org/UniSharp/laravel-filemanager.svg?branch=master)](https://travis-ci.org/UniSharp/laravel-filemanager)
 [![Latest Stable Version](https://poser.pugx.org/unisharp/laravel-filemanager/v/stable)](https://packagist.org/packages/unisharp/laravel-filemanager)
 [![Total Downloads](https://poser.pugx.org/unisharp/laravel-filemanager/downloads)](https://packagist.org/packages/unisharp/laravel-filemanager)
 [![License](https://poser.pugx.org/unisharp/laravel-filemanager/license)](https://packagist.org/packages/unisharp/laravel-filemanager)

composer.json

@@ -25,7 +25,8 @@
   "require": {
     "php": ">=5.4.0",
     "illuminate/support": ">=4.2.0",
-    "intervention/image": "2.*"
+    "intervention/image": "2.*",
+    "phpunit/phpunit": "~4.8"
   },
   "suggest": {
     "ext-gd": "to use GD library based image processing.",