Update php-cs-fixer in composer.json

Author: Jamie Snape

composer.json

@@ -27,7 +27,7 @@
     },
     "require-dev": {
         "ext-curl": "*",
-        "fabpot/php-cs-fixer": "~1.0",
+        "fabpot/php-cs-fixer": "~1.1",
         "phpcheckstyle/phpcheckstyle": "V0.14.1",
         "phpunit/dbunit": "1.3.*@dev",
         "phpunit/php-code-coverage": "~2.0.11",