pom.xml: upgrade jackson, jetty and jersey

This is to resolve dependencies conflicts in the skeleton.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
pom.xml: introduce the travis-nodb profile

Similar to travis, but doesn't run the slow tests. This is to fix
a cyclic dependency error in the commons build.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
pom.xml: add jackson-jaxrs-json-provider dependency

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>