documentation changes

Author: Juraj Veverka

README.md

@@ -1,5 +1,5 @@
 [![Build Status](https://travis-ci.org/PantheonTechnologies/lighty-core.svg?branch=8.3.x)](https://travis-ci.org/PantheonTechnologies/lighty-core)
-[![Coverity Scan Build Status](https://scan.coverity.com/projects/16327/badge.svg)](https://scan.coverity.com/projects/lighty-core) 
+[![License](https://img.shields.io/badge/License-EPL%201.0-blue.svg)](https://opensource.org/licenses/EPL-1.0)
 
 
 # lighty.io 8.4