Allow operator to use lvm in read-only mode. Switch LVM lock dir to
/var/run/lvm and create it in rc.d/mountcritlocal. Fix dm control device
permissions to allow rw for operator.

Test if we are runn

Allow operator to use lvm in read-only mode. Switch LVM lock dir to
/var/run/lvm and create it in rc.d/mountcritlocal. Fix dm control device
permissions to allow rw for operator.

Test if we are running lvm commands as operator and if that it's true do not
create vg backups and do not print confusing warning.

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Import new lvm2tools 2.02.44 version and libdevmapper 1.02.30.

Import of lvm2tools 2.03.43 and libdevmapper 1.02.29. Needed to fix
haad-dm merge, because current lvm2tools sources are broken and will be
removed.