hdist: add support for one-to-one node replacement with resource takeover
hdist: config format cosmetics
undelete filter: backup files can no longer be deleted in recursive mode
undo actions for volume creation and removal
do not try to strify an enum
really force volume deletion when asked to do so
Check if sqlite really deleted a row using sqlite3_changes(). bb#814

Update volume size using only one query which doesn't require locking
h->db