support for jdk 11 added

README.md

@@ -11,7 +11,7 @@ Documentation for minerva can be found here: https://minerva.pages.uni.lu/doc/
 After cloning repo you need to install following tools:
 * postgresql (>=9.1)
 * tomcat (tested on tomcat7, tomcat8)
-* Java8 - works on both OpenJDK 8 and Oracle Java 8
+* Java8 - works on OpenJDK 8, Oracle Java 8, OpenJDK 11
 * maven
 * ant
 * node.js + npm