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> ...