Upgrade to Jedis 2.4.2

Closes #1162

spring-boot-dependencies/pom.xml

@@ -75,7 +75,7 @@
 		<jackson.version>2.3.3</jackson.version>
 		<janino.version>2.6.1</janino.version>
 		<javassist.version>3.18.1-GA</javassist.version> <!-- Same as Hibernate -->
-		<jedis.version>2.4.1</jedis.version>
+		<jedis.version>2.4.2</jedis.version>
 		<jetty.version>8.1.15.v20140411</jetty.version>
 		<jetty-jsp.version>2.2.0.v201112011158</jetty-jsp.version>
 		<jaxen.version>1.1.6</jaxen.version>