Add YourKit license text

README.md

@@ -67,6 +67,18 @@ Serial correlation detection.
 Multimodal distribution detection.
 Use kernel density estimators?
 
+
+## YourKit
+
+YourKit is kindly supporting open source projects with its full-featured Java
+Profiler.
+
+YourKit, LLC is the creator of innovative and intelligent tools for profiling
+Java and .NET applications. Take a look at YourKit's leading software products:
+
+* <a href="http://www.yourkit.com/java/profiler/index.jsp">YourKit Java Profiler</a> and
+* <a href="http://www.yourkit.com/.net/profiler/index.jsp">YourKit .NET Profiler</a>.
+
 ## License
 
 Licensed under [EPL](http://www.eclipse.org/legal/epl-v10.html)