Refactored Dolibarr triggers

Added missing doActions for supplier order fiche.php

Removed @ operator from dol_include_once

prefix on uploaded file names. 
- New: No more dependency between contract and service module.

if option is set only.

Conflicts:
	htdocs/langs/fr_FR/admin.lang
	htdocs/langs/fr_FR/main.lang

Created a DolibarrTriggers abstract class.
Moved common variables out of construct class
Improved run_trigger method signature

main page).
- New: Can search on project ref or string from project main page (like
other main page).

Accessibility

FIX stock inconsistency when activating batch management 

Conflicts:
	ChangeLog