support display of 'denied' status for services to which user doesn't have permissions for
GUI-1412
allow errors when fetching bucket total, properly trap s3 permission error, properly check for iam resource access before fetching those totals
GUI-1412
revised get_connection to allow passing values normally found in view
Merge pull request #1109 from eucalyptus/GUI-1412

Gui 1412 Handle service denial better and display properly on service status