Fix: Better management of pdf generation when tcpdf not available.
Merge remote-tracking branch 'origin/3.3' into 3.4

Conflicts:
	htdocs/core/modules/livraison/pdf/pdf_typhon.modules.php
	htdocs/core/modules/supplier_order/pdf/pdf_muscadet.modules.php
Add missing label
Fix: Bad parameters

Conflicts:
	htdocs/comm/action/fiche.php
Fix: Bad permission check
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4
Fix: Permission check on event tabs
Fix: varchar 256
Merge branch '3.4' of git@github.com:Dolibarr/dolibarr.git into 3.4
Update doc
Merge remote-tracking branch 'origin/3.3' into 3.4
fix bug on filter and sort
update changelog
Some users report they need more time
Merge pull request #1247 from altairis-fr/3.4

fix bug on filter and sort
Fix: invert parameters
fix bugs on margin reports
update changelog
better margin calculation (especially for credit notes)
Merge pull request #1250 from altairis-fr/margin1

fix bugs on margin calculation and margin reports