Disable dependency for groovy runtime to increase package size

pom.xml

@@ -307,11 +307,13 @@
 			<version>2.25.0</version>
 			<scope>test</scope>
 		</dependency>
+		<!-- 
 		<dependency>
 			<groupId>org.codehaus.groovy</groupId>
 			<artifactId>groovy</artifactId>
 			<version>2.0.5</version>
 		</dependency>
+		-->
 	</dependencies>
 	<build>
 		<plugins>

src/main/java/de/thm/arsnova/entities/Statistics.java

@@ -2,17 +2,17 @@ package de.thm.arsnova.entities;
 
 public class Statistics {
 
-	private int ansers;
+	private int answers;
 	private int questions;
 	private int openSessions;
 	private int closedSessions;
 	private int activeUsers;
 
-	public int getAnsers() {
-		return ansers;
+	public int getAnswers() {
+		return answers;
 	}
-	public void setAnsers(int ansers) {
-		this.ansers = ansers;
+	public void setAnswers(int ansers) {
+		this.answers = ansers;
 	}
 
 	public int getQuestions() {

src/main/java/de/thm/arsnova/services/StatisticsService.java

@@ -25,7 +25,7 @@ public class StatisticsService implements IStatisticsService {
 		Statistics statistics = new Statistics();
 		statistics.setOpenSessions(databaseDao.countOpenSessions());
 		statistics.setClosedSessions(databaseDao.countClosedSessions());
-		statistics.setAnsers(databaseDao.countAnswers());
+		statistics.setAnswers(databaseDao.countAnswers());
 		statistics.setQuestions(databaseDao.countQuestions());
 		statistics.setActiveUsers(databaseDao.countActiveUsers(DURATION_IN_MILLIS));
 		return statistics;

src/test/java/de/thm/arsnova/controller/StatisticsControllerTest.java

@@ -65,7 +65,7 @@ public class StatisticsControllerTest {
 		request.setRequestURI("/statistics");
 		handlerAdapter.handle(request, response, statisticsController);
 		
-		String expected = "{\"ansers\":0,\"questions\":0,\"openSessions\":2,\"closedSessions\":0,\"activeUsers\":0}";
+		String expected = "{\"answers\":0,\"questions\":0,\"openSessions\":2,\"closedSessions\":0,\"activeUsers\":0}";
 		assertEquals(expected, response.getContentAsString());
 	}
 }