Merge branch 'feature/58-convert-to-php-codesniffer-composer-plugin' into 'develop'

Feature/58 Convert to php-codesniffer-standards composer package type

Closes #58

See merge request !59

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "siepmann/typo3_update",
     "description": "Auto migrate PHP Source of extensions to be compatible.",
-    "type": "project",
+    "type": "php-codesniffer-standards",
     "license": "GPL-2.0+",
     "authors": [
         {
@@ -25,7 +25,8 @@
     "require": {
         "helmich/typo3-typoscript-parser": "1.1.*",
         "squizlabs/php_codesniffer": "2.8.*",
-        "symfony/yaml": "3.2.*"
+        "symfony/yaml": "3.2.*",
+        "higidi/composer-phpcodesniffer-standards-plugin": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "5.7.*",