Upgrade naar spring boot 2.1.4.

pom.xml

@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.5.RELEASE</version>
+        <version>2.1.4.RELEASE</version>
     </parent>
 
     <dependencies>
@@ -39,6 +39,16 @@
             <artifactId>json-path</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jboss.xnio</groupId>
+            <artifactId>xnio-nio</artifactId>
+            <version>3.7.1.Final</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.threads</groupId>
+            <artifactId>jboss-threads</artifactId>
+            <version>2.3.3.Final</version>
+        </dependency>
     </dependencies>
 
     <properties>