Add the handler of unchanged process to cgrulesengd daemon.

Add the handler of unchanged process to cgrulesengd daemon.

Hi,

Changelog of v6:
================
 * No change.

Changelog of v5:
================
 * No change.

Changelog of v4:
================
 * Add the comment "FIXME: Change the temporary file to configurable one."
 * Define the number of allocation.

Changelog of v3:
================
 * Set the value 0x1 to CGROUP_DAEMON_UNCHANGE_CHILDREN flag.

Changelog of v2:
================
 * New patch.

Description:
============
This patch adds the handler of unchanged process to the cgrulesengd daemon.
By this patch, the daemon does not change a process which is executed by
'cgexec' command, because it is possible to notify the unchanged process to
the daemon by using "unix domain socket".

Thanks
Ken'ichi Ohmichi

Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>