Checkpoint-restore tool v1.4

Hi,

So, according to the recently accepted schedule the 1.4 is tagged.

News are

* user namespaces C/R founded
* optimizations
* bugs (fixed)

The full list of changes is http://criu.org/Download/criu/1.4
Tarball with sources is http://download.openvz.org/criu/criu-1.4.tar.bz2

Have fun and stay tuned :)

Thanks,
Pavel