Upgrade to Netty 4.1.33, Undertow 1.4.27, Hibernate ORM 5.2.18/5.1.17

Includes consistent upgrade to Rome 1.12.

build.gradle

@@ -47,7 +47,7 @@ ext {
 	junitVintageVersion  = "4.12.3"
 	kotlinVersion        = "1.2.71"
 	log4jVersion         = "2.11.1"
-	nettyVersion         = "4.1.32.Final"
+	nettyVersion         = "4.1.33.Final"
 	reactorVersion       = "Bismuth-SR15"
 	rxjavaVersion        = "1.3.8"
 	rxjavaAdapterVersion = "1.2.1"
@@ -55,7 +55,7 @@ ext {
 	slf4jVersion         = "1.7.25"	  // spring-jcl + consistent 3rd party deps
 	tiles3Version        = "3.0.8"
 	tomcatVersion        = "8.5.37"
-	undertowVersion      = "1.4.26.Final"
+	undertowVersion      = "1.4.27.Final"
 
 	gradleScriptDir = "${rootProject.projectDir}/gradle"
 	withoutJclOverSlf4J = {
@@ -281,7 +281,7 @@ configure(rootProject) {
 		testCompile("javax.servlet:javax.servlet-api:3.1.0")
 		testCompile("org.aspectj:aspectjweaver:${aspectjVersion}")
 		testCompile("org.hsqldb:hsqldb:${hsqldbVersion}")
-		testCompile("org.hibernate:hibernate-core:5.1.16.Final")
+		testCompile("org.hibernate:hibernate-core:5.1.17.Final")
 	}
 
 	artifacts {