Upgrade to mongo-java-driver 2.13.2

Closes gh-3195

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -107,7 +107,7 @@
 		<logback.version>1.1.3</logback.version>
 		<mariadb.version>1.1.8</mariadb.version>
 		<mockito.version>1.10.19</mockito.version>
-		<mongodb.version>2.13.1</mongodb.version>
+		<mongodb.version>2.13.2</mongodb.version>
 		<mysql.version>5.1.35</mysql.version>
 		<nekohtml.version>1.9.22</nekohtml.version>
 		<postgresql.version>9.4-1201-jdbc41</postgresql.version>