subtests.docker_cli: Add run_ipc test

ISSUE: https://github.com/autotest/autotest-docker/issues/371#issuecomment-61664433
BUGS: https://bugzilla.redhat.com/show_bug.cgi?id=1162529
This test utilizes the '--ipc' feature of docker and uses SysV shm
to share data between various setups (host and guests).

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>

__NOTE__: I set the `no_iteration` to quite high number, you might need to decrease it on some older HW as the tests runs in parallel...
__NOTE2__: I'll implement the remaining `TODO:` tests as special tests later, this is only the basic functionality...
There are some trailing-whitespace problems on the above lines