Added jenkins file

Jenkinsfile

+node('local') {
+    properties([[$class: 'GitLabConnectionProperty', gitLabConnection: 'https://git.lumc.nl/'], pipelineTriggers([[$class: 'GitHubPushTrigger']])])
+
+    try {
+
+        stage('Init') {
+            tool 'JDK 8u102'
+            tool 'Apache Maven 3.3.9'
+        }
+
+        stage('Checkout') {
+            checkout scm
+            sh 'git submodule update --init --recursive'
+        }
+
+        stage('Build and Test') {
+            withMaven(maven: 'Apache Maven 3.3.9', jdk: 'JDK 8u102') {
+                sh 'mvn -B -T 2 -Dmaven.test.failure.ignore clean package'
+            }
+        }
+
+        stage('Report tests') {
+            junit 'target/surefire-reports/*.xml'
+        }
+
+        if(currentBuild.result != null && !"SUCCESS".equals(currentBuild.result)) {
+            currentBuild.result = "SUCCESS"
+            slackSend (color: '#00FF00', message: "${currentBuild.result}: Job '${env.JOB_NAME} #${env.BUILD_NUMBER}' (<${env.BUILD_URL}|Open>)", channel: '#biopet-bot', teamDomain: 'lumc', tokenCredentialId: 'lumc')
+        } else {
+            slackSend (color: '#FFFF00', message: "${currentBuild.result}: Job '${env.JOB_NAME} #${env.BUILD_NUMBER}' (<${env.BUILD_URL}|Open>)", channel: '#biopet-bot', teamDomain: 'lumc', tokenCredentialId: 'lumc')
+        }
+
+    } catch (e) {
+        currentBuild.result = "FAILED"
+        slackSend (color: '#FF0000', message: "FAILED: Job '${env.JOB_NAME} #${env.BUILD_NUMBER}' (<${env.BUILD_URL}|Open>)", channel: '#biopet-bot', teamDomain: 'lumc', tokenCredentialId: 'lumc')
+
+        throw e
+    }
+}