libcompel: Rename libcompel_exec to libcompel_exec_raw

And add libcompel_exec_elf wrap.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
make: Drop NESTED-GEN

Doesn't work yet.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
prelim

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
prelim

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>