Added SensioLabs badge to the README

Author: castarco

README.md

@@ -11,7 +11,8 @@ Build | [![Build Status](https://api.travis-ci.org/Litipk/php-bignumbers.png?tag
 HHVM support | [![HHVM Status](http://hhvm.h4cc.de/badge/litipk/php-bignumbers.svg)](http://hhvm.h4cc.de/package/litipk/php-bignumbers)
 Coverage (from Coveralls): | [![Coverage Status](https://coveralls.io/repos/Litipk/php-bignumbers/badge.png?tag=0.7.0)](https://coveralls.io/r/Litipk/php-bignumbers?branch=master)
 Coverage (from Scrutinizer): | [![Code Coverage](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/coverage.png?s=58936d9334e7fc2413a43ad6cf1c7c1577f1f39c)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
-Code Quality: | [![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
+Code Quality (Scrutinizer): | [![Scrutinizer Quality Score](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/Litipk/php-bignumbers/)
+Code Quality (SensioLabs): | [![SensioLabsInsight](https://insight.sensiolabs.com/projects/9a279fbe-2b37-4612-abc0-027a3ad5d69c/mini.png)](https://insight.sensiolabs.com/projects/9a279fbe-2b37-4612-abc0-027a3ad5d69c)
 Dependencies: | [![Dependency Status](https://www.versioneye.com/user/projects/52cc91c6ec13754970000275/badge.png)](https://www.versioneye.com/user/projects/52cc91c6ec13754970000275)
 
 ## Requirements