Automatic Install Tests & Doku (#5674)

* Automatic Installation Testing
- New dev-library "mikey179/vfsStream"
- created "reload" method for App-Reloads
- ConsoleTest now using virtual directory
- Adding Automatic Installation Tests
- Fixing some probable install-failures

* Updating README for Automatic Installation

* Updating README for Automatic Installation

* Bugfix normal installation

* Fixing copying of config files

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "9e24971ae9340c5d9d4d4ca477d4ec29",
+    "content-hash": "d62c3e3d6971ee63a862a22ff3cd3768",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -2252,6 +2252,52 @@
             ],
             "time": "2015-06-14T21:17:01+00:00"
         },
+        {
+            "name": "mikey179/vfsStream",
+            "version": "v1.6.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mikey179/vfsStream.git",
+                "reference": "d5fec95f541d4d71c4823bb5e30cf9b9e5b96145"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/mikey179/vfsStream/zipball/d5fec95f541d4d71c4823bb5e30cf9b9e5b96145",
+                "reference": "d5fec95f541d4d71c4823bb5e30cf9b9e5b96145",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "org\\bovigo\\vfs\\": "src/main/php"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Frank Kleine",
+                    "homepage": "http://frankkleine.de/",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Virtual file system to mock the real file system in unit tests.",
+            "homepage": "http://vfs.bovigo.org/",
+            "time": "2017-08-01T08:02:14+00:00"
+        },
         {
             "name": "myclabs/deep-copy",
             "version": "1.7.0",