[ADD][12.0] base_user_role_profile: Add to 12.0

fixup! Logic and permissions fixes, new demo module, changes JS-side that reloads in a cleaner way on profile change

fixup! removed unused imports, beautified JS

fixup! Test coverage increase

[FIX] Use write instead of assignment operator on create function: assignment on multiple records raises error

fixup! Removed leftover copyright

Apply suggestions from code review

Co-Authored-By: David Beal <david.beal@akretion.com>

base_user_role_history/models/res_users.py

@@ -43,7 +43,7 @@ class ResUsers(models.Model):
             {},
             new_role_line_values_by_user
         )
-        res.last_role_line_modification = fields.Datetime.now()
+        res.write({'last_role_line_modification': fields.Datetime.now()})
         return res
 
     @api.multi