Missleading Exception message when sonatype and eclipse Aether found on classpath

"Unable to boostrap Aether repository system. Make sure you're running Maven 3.1.0 or newer."

The build is running Maven 3.1.0.

https://github.com/shrinkwrap/resolver/blob/master/impl-maven/src/main/java/org/jboss/shrinkwrap/resolver/impl/maven/bootstrap/MavenRepositorySystem.java#L202

Dependency:tree
https://gist.github.com/alesj/9891834#file-gistfile1-txt-L43