dev#172922 : centralized hold mode for libraries

dev#172922 : task#182676 : Adding a centralized_hold_mode variable in Cosmogramme

dev#172922 : task#182679 : adding use_card_number support for Nanook

dev#172922 : task#182679 : adding use_card_number if not same central library

dev#172922 : fix tests

dev#172922 Ariege support Centralized_hold_mode

dev#172922 : UseCardNumber Holds : First Implmentation

dev#172922 : task#182680 : Holds business Rules for central hold

dev#172922: task#182681 : Email sent to central library

dev#172922 : RT refacto SIBG/Abstract

dev#172922 : RT refacto SIBG/Abstract

fix problem with authentication for Users

dev#172922 : RT refacto SIBG/Abstract (restore erased commit)