Upgrade to mongo-java-driver 2.14.1

Closes gh-5247

spring-boot-dependencies/pom.xml

@@ -115,7 +115,7 @@
 		<lombok.version>1.16.6</lombok.version>
 		<mariadb.version>1.3.6</mariadb.version>
 		<mockito.version>1.10.19</mockito.version>
-		<mongodb.version>2.13.3</mongodb.version>
+		<mongodb.version>2.14.1</mongodb.version>
 		<mysql.version>5.1.38</mysql.version>
 		<nekohtml.version>1.9.22</nekohtml.version>
 		<postgresql.version>9.4.1208.jre7</postgresql.version>