* [vedev] ioctl(VZCTL_SETDEVPERMS) has been enhanced to pass a device to a CT in a more consistent way: register device in CT' devtmpfs, make hardlink in CT's /sys/device/... pointing to the host' /sys/device/..., make symlink in CT's /sys/class/{block|char} pointing to device, set device permissions by adding device to CT' devcgroup whitelist (as it used to be before this patchset). This fixes quota issues on ploop for Fedora 18 CT (PSBM-18337)

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* [cgroups] cgroups should be automatically destroyed on CT stop (related to PSBM-17934)

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