fb-rc-1 :: Fiche IMMEUBLE :: detailed access rights management.
Defined new constant HB_ROLE_FONCTION and make use of it.
Added new hb-choose-actor-editable optional property to allow disabling 
the actors selection button.
fb-rc-1 :: Fiche IMMEUBLE - manage editable rights for partners.
fb-rc-1 :: Fiche IMMEUBLE - manage editable rights for removing/adding
partners.
Comment clean up.
fb-rc-1 :: Fiche IMMEUBLE - manage editable rights - forbid IMMEUBLE
photo modification if not assigned immeuble-edit rights.