Version bump to 1.20.0

Author: carmstrong

metadata.rb

@@ -4,7 +4,7 @@
 license           "Apache 2.0"
 description       "Installs Java runtime."
 long_description  IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version           "1.19.3"
+version           "1.20.0"
 
 recipe "java::default", "Installs Java runtime"
 recipe "java::ibm", "Installs the JDK for IBM"