Regression : ensure that threads names are not modified (eg. Jython)

Signed-off-by: Julien <jlehuraux@chyro.fr>
MavenLocalRepoResolver looks also for maven-metadata-local.xml
fixed module naming
clean up test shit
manually merge in PR https://github.com/vert-x/vert.x/pull/526
Merge pull request #525 from julien3/master

Regression : ensure threads names are not modified (eg. by Jython)
squashed changes
remove old class
fix merge