Upgrade to Log4J 2.10 (and Groovy 2.4.13)

Author: jhoeller

build.gradle

@@ -43,15 +43,15 @@ configure(allprojects) { project ->
 
 	ext.aspectjVersion       = "1.8.13"
 	ext.freemarkerVersion    = "2.3.27-incubating"
-	ext.groovyVersion        = "2.4.12"
+	ext.groovyVersion        = "2.4.13"
 	ext.hsqldbVersion        = "2.4.0"
 	ext.jackson2Version      = "2.9.2"
 	ext.jettyVersion         = "9.4.7.v20170914"
 	ext.junitJupiterVersion  = "5.0.2"
 	ext.junitPlatformVersion = "1.0.2"
 	ext.junitVintageVersion  = "4.12.2"
 	ext.kotlinVersion        = "1.1.60"
-	ext.log4jVersion         = "2.9.1"
+	ext.log4jVersion         = "2.10.0"
 	ext.nettyVersion         = "4.1.17.Final"
 	ext.reactorVersion       = "Bismuth-SR4"
 	ext.rxjavaVersion        = "1.3.4"