Upgrade to ehcache 2.10.6

Author: bclozel

build.gradle

@@ -119,7 +119,7 @@ configure(allprojects) { project ->
 			dependency "org.hsqldb:hsqldb:2.5.0"
 			dependency "org.quartz-scheduler:quartz:2.3.1"
 			dependency "org.codehaus.fabric3.api:commonj:1.1.0"
-			dependency "net.sf.ehcache:ehcache:2.10.4"
+			dependency "net.sf.ehcache:ehcache:2.10.6"
 			dependency "org.ehcache:jcache:1.0.1"
 			dependency "org.ehcache:ehcache:3.4.0"
 			dependency "org.hibernate:hibernate-core:5.4.4.Final"