Rhbz1124630 - remove RESTEasy dependency from client

by switching to jersey as JAX-RS implementation, in fedora we could save users 200MB download.

Depend on zanata/zanata-parent#36

Not really depend on this but it's nice to have (especially in preparation for Fedora packaging) zanata/zanata-api#22
Skipping this check is probably not a good habit to get into, even in tests.  Why not add an `<exception>` for the `<resourcePattern>*.html</resourcePattern>`?  See https://github.com/ning/maven-duplicate-finder-plugin