Upgrade to Tomcat 9.0.29, Jetty 9.4.24, RxJava 2.2.15

Author: jhoeller

build.gradle

@@ -33,18 +33,18 @@ ext {
 	groovyVersion        = "2.5.8"
 	hsqldbVersion        = "2.4.1"
 	jackson2Version      = "2.9.9"
-	jettyVersion         = "9.4.23.v20191118"
+	jettyVersion         = "9.4.24.v20191120"
 	junit5Version        = "5.3.2"
 	kotlinVersion        = "1.2.71"
 	log4jVersion         = "2.11.2"
 	nettyVersion         = "4.1.43.Final"
 	reactorVersion       = "Californium-BUILD-SNAPSHOT"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"
-	rxjava2Version       = "2.2.14"
+	rxjava2Version       = "2.2.15"
 	slf4jVersion         = "1.7.28"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
-	tomcatVersion        = "9.0.27"
+	tomcatVersion        = "9.0.29"
 	undertowVersion      = "2.0.28.Final"
 
 	gradleScriptDir = "${rootProject.projectDir}/gradle"