#266 admin pages not resilient to configuration problems

[Craig Andera]

The admin pages need to still be accessible or mostly accessible even if the flexwiki.config file is corrupt or missing.

[Craig Andera]

Logged In: YES
user_id=879696
Originator: YES

Additional details: If default namespace cannot be found, admin pages are inaccessible.

[Craig Andera]

Logged In: YES
user_id=879696
Originator: YES

Reassigning to active member of the project.

BTW, I think I did some work on this one, so it might be able to be closed.