[fedora-java] Figure out feature from package name

[Roland Grunberg]

> Fedora 20 has Eclipse Kepler, but you could also get an Eclipse Luna
> Copr repo from

D'oh! From https://copr.fedoraproject.org/coprs/mbooth/eclipse-luna/

Not all Eclipse packages from Fedora 20 are there, but the most
common ones can be found.

Cheers,
-- 
Roland Grunberg