updating badge links

Author: dmolsen

README.md

@@ -1,5 +1,5 @@
-![license](https://img.shields.io/github/license/pattern-lab/patternlab-php-core.svg?maxAge=2592000)
-[![Packagist](https://img.shields.io/packagist/v/pattern-lab/core.svg?maxAge=2592000)](https://packagist.org/packages/pattern-lab/core) [![Gitter](https://img.shields.io/gitter/room/pattern-lab/php.svg?maxAge=2592000)](https://gitter.im/pattern-lab/php)
+![license](https://img.shields.io/github/license/pattern-lab/patternlab-php-core.svg)
+[![Packagist](https://img.shields.io/packagist/v/pattern-lab/core.svg)](https://packagist.org/packages/pattern-lab/core) [![Gitter](https://img.shields.io/gitter/room/pattern-lab/php.svg)](https://gitter.im/pattern-lab/php)
 
 # Pattern Lab Core