[IMP] add partner_maiden_name module (It adds maiden name in partner and contact view), add partner_member_observer module (it adds 2 booleans fields member_state and observer_state in partner view; it allows to say if partner is a member state or observer state), add partner_supplier_information module (It adds specific information about supplier in partner view), add res_bank_account module (It adds title bank account information, observation and active fields in res_partner_bank), add employee_firstname module (it adds lastname and firstname in employee view), add user_firstname (It adds lastname and firstname in user view)