I've merged the f18 branch back into master, and I've also done some local builds to confirm this is working. This is just depending on maven, maven-surefire, and maven-plugin-tools being pushed.

tycho-0.16.0-15.fc18,tycho-extras-0.16.0-2.fc18 has been submitted as an update for Fedora 18.
https://admin.fedoraproject.org/updates/tycho-0.16.0-15.fc18,tycho-extras-0.16.0-2.fc18

Package tycho-0.16.0-15.fc18, tycho-extras-0.16.0-2.fc18:
* should fix your issue,
* was pushed to the Fedora 18 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing tycho-0.16.0-15.fc18 tycho-extras-0.16.0-2.fc18'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2012-17423/tycho-0.16.0-15.fc18,tycho-extras-0.16.0-2.fc18
then log in and leave karma (feedback).

This has been pushed to f18 stable. Seems the bodhi update did not automatically close this.