Add default directory for criu files if omitted in debug mode

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
task: Add explanation why we need to read all tasks first

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
context: Drop empty line

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
convert: Write inventory file

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>