move deps to require-dev

Author: fetzi

composer.json

@@ -16,14 +16,14 @@
         }
     },
     "require": {
-        "php": ">=5.6",
+        "php": ">=5.6"
+    },
+    "require-dev": {
+        "karriere/code-quality": "^2.0",
         "sebastian/comparator": "^1.1",
         "sebastian/exporter": "^2.0",
         "sebastian/recursion-context": "^2.0"
     },
-    "require-dev": {
-        "karriere/code-quality": "^2.0"
-    },
     "scripts": {
         "test": "vendor/bin/phpspec run",
         "lint": "vendor/bin/phpcs src/ --standard=PSR2"