Upgrade to Querydsl 4.1.4

Closes gh-6940

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -133,7 +133,7 @@
 		<nekohtml.version>1.9.22</nekohtml.version>
 		<neo4j-ogm.version>2.0.4</neo4j-ogm.version>
 		<postgresql.version>9.4.1211.jre7</postgresql.version>
-		<querydsl.version>4.1.3</querydsl.version>
+		<querydsl.version>4.1.4</querydsl.version>
 		<reactor.version>2.0.8.RELEASE</reactor.version>
 		<reactor-spring.version>2.0.7.RELEASE</reactor-spring.version>
 		<selenium.version>2.53.1</selenium.version>