hack/RELEASE: add step for updating doc branch

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: google)
Don't call applyVolumesFrom on containers with volumes already configured (closes #2973)

Docker-DCO-1.1-Signed-off-by: Nolan Darilek <nolan@thewordnerd.info> (github: ndarilek)
Update PACKAGERS.md with some text changes, including and especially moving "LXC" to a new "Optional Dependencies" section

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Reflow PACKAGERS.md to 80 columns (where possible) and update some minor formatting

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Mention in PACKAGERS.md that Tianon is available for packager needs

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Rewrite more loads of PACKAGERS.md to hopefully remove some outdated information, add some updated information and pointers, and generally make the tone of this document less condescending :)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Update package deps to remove LXC and move aufs-tools to be in "Recommends" instead of strict Depends

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Update the relevant docs section to match PACKAGERS.md

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Add "git" to our Ubuntu package "Recommends" (whoops, this should've been in here for a while now)

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
Flag 'docker-js' as outdated
Add further clarification of where/when the build-time deps are applicable

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
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 #4463 from tianon/update-packagers-doc-and-lxc-dep

Update PACKAGERS.md and hack/make/ubuntu
Merge pull request #4477 from creack/apparmor_native

Add AppArmor support to native driver + change pipe/dup logic
Merge pull request #4468 from bcbcarl/4467-dockerjs-outdated

Flag 'docker-js' as outdated (Fix #4467)
Merge pull request #4264 from ndarilek/2973-skip-volumes-from

Don't call applyVolumesFrom on containers with volumes already configure...
Merge pull request #4129 from proppy/patch-2

hack/RELEASE: add step for updating doc branch