NXP-14640: fix document library gadget pagination when the number of results is unknown

Conflicts:
	nuxeo-social-workspace/nuxeo-social-workspace-gadgets-library/src/main/resources/skin/views/social/bricks/document_list.ftl
NXP-14367 repository config
NXP-14367 fixup session leak
NXP-13874 move from fr to fr_FR
NXP-13874 move from en to en_US
NXP-14587: do not try to retrieve a SocialWorkspace if there is no session attached to the doc
NXP-13805: upgrade jsf deps
NXP-13805: upgrade jsf deps
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-13805: use specific 5.9.5-JSF2-SNAPSHOT version