NXP-13805: upgrade jsf and richfaces deps
NXP-13805: quick fix for migration of richfaces file uploads, to adapt as API has evolved (and cleanup work might not be needed aymore, or might be handled differently)
NXP-13805: quick fix for richfaces tree tags changes, fix invalid EL expression + page scope does not exist in JSF2
NXP-14230: replace a4j:form by h:form
NXP-14230: replace a4j:support by a4j:ajax
NXP-14230: replace all reRender by render
NXP-14230: update a4j taglib url
NXP-14230: update seam taglib url'
NXP-14230: remove jquery theme dependency
NXP-14222: migrate tree explorer to richfaces 4
NXP-14230: fix namespaces declarations in xhtml templates
NXP-14230: add workaround from OmniFaces for viewstate management on ajax requests (see https://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-790)
NXP-14230: simplify client ids on document creation fancybox
NXP-14230: make tabs presenting subtabs use the tabs widget
NXP-14230: add styling so that tabs widget can present tabs in a menu on the left of the screen
NXP-14230: remove now duplicated CSS style
NXP-14230: remove useless subview adding a generated id to its children
NXP-14230: migrate a4j:actionparam to a4j:param
NXP-14229: define the document variable (in case it's not exposed by the layout system anymore) and make it configurable
NXP-14230: add patch for target='JSFFrameId' issue on ajax render of a form