Update JDK requirements in README

Author: Mikhael Bogdanov

README.md

@@ -12,7 +12,7 @@ Please note that this is an **early preview version**.
 
 ## Quick Overview
 
-**Make sure you have [JDK 8](http://www.oracle.com/technetwork/java/index.html) installed before proceeding.** Java 9 is not supported yet.
+**Make sure you have [JDK 8 or newer version](http://www.oracle.com/technetwork/java/index.html) installed before proceeding.** 
 
 Create a new project: