NXP-14230: replace a4j:support by a4j:ajax
NXP-14230: replace ajaxSingle='true' by execute='@this'
NXP-14230: update a4j taglib url
NXP-14222: remove richfaces suggestion on search box for now
NXP-14222/NXP-15054: make sure search suggestion is not done using a multipart request (as rich:autocomplete is not triggered correctly in this case)
NXP-14222/NXP-15081: enable simple search box for now