Fix InfoBlock locator for 5.3 and upstream

Update scheduled DB backup test
make test_actions work with scvmm somehow, some scvmm tuning
Rest of SCVMM things found and hopefully fixed
Merge pull request #1244 from mfalesni/scvmm-reloaded

make test_actions work with scvmm somehow, some scvmm tuning
SCVMM tick box was not honoured

The SCVMM tick box in the discovery pane was not known to the underlying
system. This has now been added and the discovery() function now
includes a variable for scvmm use.
Merge pull request #1245 from psav/fix_scvmm_discover

SCVMM tick box was not honoured
Merge pull request #1242 from jkrocil/scheduled-db-backup-test-update

Fix InfoBlock locator for 5.3 and upstream & update scheduled DB backup test