[FIX] User Partner Company has to same as User Compnay not as usder company
[MERGE] Parent Sync (70)
 - Allow setting the company_id of the partner to False in order to make the partner shared between all companies.
[merge] lp:openobject-server/7.0
[IMP] res.partner must only allow to set the company_id of a partner if it is the same as the company of all users that inherit from this partner
[FIX] fix demo data problem, now able to assign company to existing partner which does not have
any company. Did small variable name change
[IMP] removed unused user pool
[MERGE] res.users: synchronise partner's company with the one of the user