Added boilerplate Jenkinsfile so this gets tested.

Author: jcustenborder

Jenkinsfile

@@ -0,0 +1,13 @@
+#!groovy
+node {
+    def jdk8_docker_image = 'maven:3.3.3-jdk-8'
+
+    checkout scm
+
+    docker.image(jdk8_docker_image).inside {
+        stage('build') {
+            sh "mvn --batch-mode clean package"
+            junit '**/target/surefire-reports/TEST-*.xml'
+        }
+    }
+}