Log whether users are in the 'all' team (more debug for issue #21 part II)

Now logging:

* whether users are in the 'all' team
* the permission for the 'all' team, and if it relates to 'people'
* creation of the 'all' team

@timmattison reports that 'gu:who' /only/ successfully creates issues for
Owners of the organisation. This is weird. Maybe the 'all' team does not
have all the access it should.