Qual: Clean code. Removed useless functions and params
Continue normalizing project html.formprojet.class.php
Fix: Solve some problem of redirect when logout
Fix: Solve some problem of redirect when logout

Conflicts:
	htdocs/user/logout.php
Fix: Missing lang
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4
Keep zapfdingbats.
Merge branch 'develop' of git@github.com:Dolibarr/dolibarr.git into develop
Fix: Message is not clear enough.
Fix: Var was not initialized.
Fix: Translation
fix ODT to PDF script path
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4
Merge remote-tracking branch 'origin/3.4' into develop

Conflicts:
	htdocs/core/class/html.formfile.class.php
	htdocs/langs/fr_FR/mails.lang
	htdocs/user/logout.php
T943  If there is only one page, we keep label "Total HT", but if there is more than one page, we use "Total HT for this page"
Fix: Tab must not always be visible
Fix: Bad return url
Fix: Bad return url
Fix: civility label
Fix: civility label
Fix: hooks for leftmenu must not be loaded if left menu hidden, also
hooks were lost into page search_page.