Clarify simple nginx example doc.

Add AWS instructions for rkt on CoreOS

CoreOS cloud-configs - get nodes working in CoreOS 695.0.0+

Move evicting pods to separate thread to allow for correct ratelimitting.

Check that s3 bucket has been created

API server explicitly notify systemd of successful startup

Add 'docker.io' and 'index.docker.io' to default registry matcher

Fix a broken link to Marathon

Add trap-add in util.sh

Add clarifications to gce getting started guide.

Stop supporting the minion alias for nodes in kubectl

Based on last week's UX study:

. Mention that instance groups API needs to be enabled.
. Add link to cloud SDK.
. Add more info on cluster addon that show up on bringup.

Enable support for AWS LB

Ensure kubelet root is not a symlink

Fix makefiles for NFS and Gluster images

Use locally built kubernetes binaries in charms

Delete deprecated apis

Don't die if the "docker rmi" fails

Slightly neuters #8955, but we haven't had a build succeed in a while
for whatever reason. (I checked on Jenkins and the images in the build
log where deletion was attempted were actually deleted, so I think
this is primarily an exit code / API issue of some sort.)

Signed-off-by: Michal Fojtik <mfojtik@redhat.com>