Public group with allow submissions ticked causes error (Bug #1310761)

This is due to the dummy 'root' user having the same id, which is 0, as
an anonymous user.

Needed to not include the dummy 'root' profile page in the get views
and collections db call.

Change-Id: Id349bdb193e510df5ecbc6f76a6324dbc15a2a57
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>