[CRIU] [PATCH] tty: add vt support

[Pavel Emelyanov]

On 12/05/2014 02:44 AM, Ruslan Kuprieiev wrote:
> /dev/ttyN are the virtual terminals which are provided
> by the system with major 4 and minor 0..63.
> You can run some program on ttyN by pressing alt+ctrl+FN
> and running it manualy or by using open(openvt nowadays). 
> 
> Signed-off-by: Ruslan Kuprieiev <kupruser at gmail.com>

Please, add zdtm test for this functionality.