Upgrade to Jackson 2.3.5

Closes gh-2497

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -72,7 +72,7 @@
 		<hsqldb.version>2.3.2</hsqldb.version>
 		<httpasyncclient.version>4.0.2</httpasyncclient.version>
 		<httpclient.version>4.3.6</httpclient.version>
-		<jackson.version>2.3.4</jackson.version>
+		<jackson.version>2.3.5</jackson.version>
 		<janino.version>2.6.1</janino.version>
 		<javassist.version>3.18.1-GA</javassist.version> <!-- Same as Hibernate -->
 		<jaxen.version>1.1.6</jaxen.version>