fix gradle.build and dockerfile

uc1-application/Dockerfile

 FROM openjdk:11-slim
 
-ADD build/distributions/exp-bigdata19-bridge.tar /
+ADD build/distributions/uc1-application.tar /
 
 CMD export JAVA_OPTS=-Dorg.slf4j.simpleLogger.defaultLogLevel=$LOG_LEVEL \
-    && /exp-bigdata19-bridge/bin/exp-bigdata19-bridge
+    && /uc1-application/bin/uc1-application
\ No newline at end of file

uc1-application/build.gradle

@@ -21,7 +21,7 @@ dependencies {
     testCompile 'junit:junit:4.12'
 }
 
-mainClassName = "titan.ccp.kiekerbridge.expbigdata19.ExperimentorBigData"
+mainClassName = "uc1.application.HistoryService"
 
 eclipse {
     classpath {

uc1-application/src/main/java/uc1/application/HistoryService.java

@@ -32,6 +32,7 @@ public class HistoryService {
 	 *
 	 */
 	private void createKafkaStreamsApplication() {
+
 		final KafkaStreams kafkaStreams = new KafkaStreamsBuilder()
 				.bootstrapServers(this.config.getString(ConfigurationKeys.KAFKA_BOOTSTRAP_SERVERS))
 				.inputTopic(this.config.getString(ConfigurationKeys.KAFKA_INPUT_TOPIC))