if you want to use library as maven dependency, add to you pom:
...
<distributionManagement>
...
<snapshotRepository>
<id>sonatype-nexus-snapshots</id>
<name>Sonatype Nexus Snapshots</name>
<url>https://oss.sonatype.org/content/repositories/snapshots</url>
</snapshotRepository>
...
</distributionManagement>
...Also in you dependencies should be added to cubiculus-interface library
...
<dependencies>
...
<dependency>
<groupId>com.coroptis.cubiculus</groupId>
<artifactId>cubiculus-interface</artifactId>
<version>1.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
...
</dependencies>
...