add file/func/line to debug info

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
apparmor: restrict signal and ptrace for processes

Restrict signal and ptrace for processes running under the container
profile. Rules based on AppArmor base abstraction. Add unix rules for
processes running under the container profile.

Signed-off-by: Jamie Strandboge <jamie@canonical.com>
Acked-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>