Add sllh/php-cs-fixer-styleci-bridge to require-dev deps

Author: welcoMattic

composer.json

@@ -15,17 +15,18 @@
         "illuminate/support": "~5",
         "php-http/httplug": "1.*"
     },
+    "require-dev": {
+        "phpunit/phpunit": "^5.1",
+        "fabpot/php-cs-fixer": "^1.11",
+        "sllh/php-cs-fixer-styleci-bridge": "^1.5"
+    },
     "prefer-stable": true,
     "minimum-stability": "dev",
     "autoload": {
         "psr-4": {
             "Http\\Httplug\\": "src/"
         }
     },
-    "require-dev": {
-        "phpunit/phpunit": "^5.1",
-        "fabpot/php-cs-fixer": "^1.11"
-    },
     "scripts": {
         "test": "",
         "test-ci": ""