Update to Spring Framework 4.3.9

And Jackson 2.8.8 to align with boot.

Author: garyrussell

build.gradle

@@ -78,15 +78,15 @@ subprojects { subproject ->
 	ext {
 		assertjVersion = '2.6.0'
 		hamcrestVersion = '1.3'
-		jacksonVersion = '2.6.7'
+		jacksonVersion = '2.8.8'
 		junitVersion = '4.12'
 		kafkaVersion = '0.10.1.1'
 		log4jVersion = '1.2.17'
 		mockitoVersion = '1.10.19'
 		scalaVersion = '2.11'
 		slf4jVersion = '1.7.21'
 		springRetryVersion = '1.1.3.RELEASE'
-		springVersion = '4.3.7.RELEASE'
+		springVersion = '4.3.9.RELEASE'
 
 		idPrefix = 'kafka'