Upgrade to Tomcat 8.0.28 and Jackson 2.6.3

Author: jhoeller

build.gradle

@@ -48,7 +48,7 @@ configure(allprojects) { project ->
 	ext.htmlunitVersion      = "2.18"
 	ext.httpasyncVersion     = "4.1"
 	ext.httpclientVersion    = "4.5"
-	ext.jackson2Version      = "2.6.2"
+	ext.jackson2Version      = "2.6.3"
 	ext.jasperreportsVersion = "6.1.1"
 	ext.javamailVersion      = "1.5.4"
 	ext.jettyVersion         = "9.3.3.v20150827"
@@ -72,7 +72,7 @@ configure(allprojects) { project ->
 	ext.testngVersion        = "6.9.6"
 	ext.tiles2Version        = "2.2.2"
 	ext.tiles3Version        = "3.0.5"
-	ext.tomcatVersion        = "8.0.27"
+	ext.tomcatVersion        = "8.0.28"
 	ext.tyrusVersion         = "1.3.5"  // constrained by WebLogic 12.1.3 support
 	ext.undertowVersion      = "1.3.0.Final"
 	ext.woodstoxVersion      = "5.0.1"