FIX #4874 SQL error when listing users

Close #4874

Prevent sentry logging error with 3.9 update

VAT identified by a code.

Conflicts:
	htdocs/core/boxes/box_task.php
	htdocs/core/lib/files.lib.php

Since we don't ship the required libraries anymore,
if the module had been enabled before upgrade,
the code was failing making Dolibarr totally unusable.

Mitigated the issue by disabling sentry logging
if the required libraries are unavailable.

FIX: Not removing code into vatrate.

fix a lot of beug

Conflicts:
	dev/skeletons/skeleton_list.php
	htdocs/projet/list.php
	htdocs/societe/list.php

Corrected PHP documentation of calcul_price_total function

FIX correctly retreive ref_customer

Update llx_propal_merge_pdf_product.sql

FIX Remove sql error when creating table llx_usergroup_extrafields.sql

FIX Remove sql error when creating table llx_establishment.sql

Add hook parameters on New search Box

FIX When changing thirdparty on event card, the showempty option of
contact was lost.
FIX Bad placeholder shown on combo to select a thirdparty.

Conflicts:
	htdocs/core/lib/files.lib.php

work.

Conflicts:
	htdocs/core/lib/files.lib.php

Conflicts:
	htdocs/core/lib/files.lib.php

ref_client in order
ref_customer in shipping

No need IF NOT EXISTS at install time

No need IF NOT EXISTS at install time