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: change /opt/tomcat to /opt/tomcat-jsf2 while migrating
NXP-13805/NXP-15004: use SNAPSHOT version for tools-nuxeo-ftest to adapt tools to JSF2 changes + cleanup maven enforcer excludes
NXP-13805: use specific 5.9.6-JSF2-SNAPSHOT version