NXP-13805: upgrade JSF, Richfaces, Seam, validation-api deps, and remove facelets now part of JSF
NXP-14223: fix jboss-seam dep, excluding lib conflicting with JSF2
NXP-13805/NXP-15004: use SNAPSHOT version for tools-nuxeo-ftest to adapt tools to JSF2 changes + cleanup maven enforcer excludes