Merge pull request #349 from emorency/master

OPAL-2110: Do not call _search when filter is empty
Work on OPAL-2020: Cannot modify "default storage" when databases are not editable
Fix failing test
Fix OPAL-2020: Cannot modify "default storage" when databases are not editable
OPAL-2106 On user/unit creation/deletion, create/delete a corresponding profile. Ensure there are no duplicated profiles.
log level changed to debug
Disabled users cannot login
Some realm renamed
iniRealm renamed to ini-realm
IniRealm static name added