Admin password become a passkey for all active logins

Functionality :

• Administrator has now the possibility to login in with any login;
• By default, OpenERP will send a mail to user and admin to indicate them;
• If a user and the admin have the same password, admin will be informed;

Technical information :

• Create two ir_config_parameter to enable / disable mail sending;

Copyright, Author and Licence :

• Copyright : 2014, Groupement Régional Alimentaire de Proximité;
• Author : Sylvain LE GAL (https://twitter.com/legalsylvain);
• Licence : AGPL-3 (http://www.gnu.org/licenses/)