Add AppArmor support to native driver + change pipe/dup logic

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
Some cleanup around logs
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #6 from crosbymichael/tryagain2

Some cleanup around logs
Generate and load custom docker profile for apparmor

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
Merge pull request #4477 from creack/apparmor_native

Add AppArmor support to native driver + change pipe/dup logic