Upgrade to Thymeleaf 2.1.4

Closes gh-2215

spring-boot-dependencies/pom.xml

@@ -113,7 +113,7 @@
 		<spring-social-linkedin.version>1.0.1.RELEASE</spring-social-linkedin.version>
 		<spring-social-twitter.version>1.1.0.RELEASE</spring-social-twitter.version>
 		<spring-ws.version>2.2.0.RELEASE</spring-ws.version>
-		<thymeleaf.version>2.1.3.RELEASE</thymeleaf.version>
+		<thymeleaf.version>2.1.4.RELEASE</thymeleaf.version>
 		<thymeleaf-extras-springsecurity3.version>2.1.1.RELEASE</thymeleaf-extras-springsecurity3.version>
 		<thymeleaf-layout-dialect.version>1.2.7</thymeleaf-layout-dialect.version>
 		<tomcat.version>7.0.57</tomcat.version>