Latest dependency updates (Jackson 2.5, Hibernate 4.3.8, Netty 4.0.25)

(cherry picked from commit 4141bf3)

Author: jhoeller

build.gradle

@@ -34,16 +34,16 @@ configure(allprojects) { project ->
 	ext.groovyVersion        = "2.3.9"
 	ext.gsonVersion          = "2.3.1"
 	ext.hibernate3Version    = "3.6.10.Final"
-	ext.hibernate4Version    = "4.3.7.Final"
+	ext.hibernate4Version    = "4.3.8.Final"
 	ext.hibVal4Version       = "4.3.2.Final"
 	ext.hibVal5Version       = "5.1.3.Final"
 	ext.hsqldbVersion        = "2.3.2"
-	ext.jackson2Version      = "2.4.4"
+	ext.jackson2Version      = "2.5.0"
 	ext.jasperReportsVersion = "6.0.0"
 	ext.jettyVersion         = "9.2.6.v20141205"
 	ext.jodaVersion          = "2.6"
 	ext.junitVersion         = "4.12"
-	ext.nettyVersion         = "4.0.24.Final"
+	ext.nettyVersion         = "4.0.25.Final"
 	ext.openJpaVersion       = "2.2.2"  // 2.3.0 not Java 8 compatible (based on ASM 4)
 	ext.protobufVersion      = "2.6.1"
 	ext.reactorVersion       = "1.1.5.RELEASE"