Fix: Tab must not always be visible
Fix: Bad return url
Fix: civility label
Fix: hooks for leftmenu must not be loaded if left menu hidden, also
hooks were lost into page search_page.
Fix: css with jmobile
Fix: Pb in css
Fix: Icon of wrong version
Several fixes in CSS

Conflicts:
	htdocs/core/menus/standard/empty.php
Fix: Pb with firstname/lastname and font size
Merge remote-tracking branch 'origin/3.4' into develop