Upgrade to Tomcat 8.5.6 and JRuby 1.7.26

build.gradle

@@ -57,7 +57,7 @@ configure(allprojects) { project ->
 	ext.javamailVersion      = "1.5.6"
 	ext.jettyVersion         = "9.3.12.v20160915"
 	ext.jodaVersion          = "2.9.4"
-	ext.jrubyVersion         = "1.7.25"  // JRuby 9000 only supported through JSR-223 (StandardScriptFactory)
+	ext.jrubyVersion         = "1.7.26"  // JRuby 9000 only supported through JSR-223 (StandardScriptFactory)
 	ext.jtaVersion           = "1.2"
 	ext.junitVersion         = "4.12"
 	ext.log4jVersion         = "1.2.17"
@@ -74,7 +74,7 @@ configure(allprojects) { project ->
 	ext.testngVersion        = "6.9.10"
 	ext.tiles2Version        = "2.2.2"
 	ext.tiles3Version        = "3.0.5"
-	ext.tomcatVersion        = "8.5.5"
+	ext.tomcatVersion        = "8.5.6"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
 	ext.undertowVersion      = "1.3.25.Final"
 	ext.xmlunitVersion       = "1.6"