Implement upstream env_create

env create creates the container environment and executes init.
With that in place, it is already possible to start a container
with basic functionality.

[kir@: use CT_BASE_STRING, error message fixes]

Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
3 files changed