Switch to H2 as database.

Author: odrotbohm

server/pom.xml

@@ -116,8 +116,8 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
 		<!-- Database -->
 
 		<dependency>
-			<groupId>org.hsqldb</groupId>
-			<artifactId>hsqldb</artifactId>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
 			<scope>runtime</scope>
 		</dependency>