Both Suite Scanner and Child Reference are implemented in the latest published 1.1.8.Final-SNAPSHOT version.
For Suites to work in Maven you need to force Surefire to use the JUnit 4.7 provider:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18.1</version>
<dependencies>
<dependency>
<groupId>org.apache.maven.surefire</groupId>
<artifactId>surefire-junit47</artifactId>
<version>2.18.1</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>