updated readme

Author: gfursin

README.md

@@ -1,3 +1,7 @@
+[![logo](https://github.com/ctuning/ck-guide-images/blob/master/logo-powered-by-ck.png)](http://cKnowledge.org)
+[![logo](https://github.com/ctuning/ck-guide-images/blob/master/logo-validated-by-the-community-simple.png)](http://cTuning.org)
+[![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
+
 This repository contains CK packages to build, test, benchmark and tune development versions of various compilers (LLVM, GCC, etc)
 across different platforms (Linux, MacOS, Windows).
 
@@ -93,5 +97,3 @@ The concepts have been described in the following publications:
 Public discussions
 ==================
 * [CK mailing list](http://groups.google.com/group/collective-knowledge)
-
-![logo](https://github.com/ctuning/ck-guide-images/blob/master/logo-validated-by-the-community-simple.png)