Adjust the startup order of docker-compose

Fix go get golang.org/x/* packages timed out issue.

* Set the selinux context

Generate air-gap image artifacts

Generate airgap artifacts from an images list for each architecture.

PullAlways ImagePullPolicy causes issues with offline/airgap support,
so only pull if image is not already present.

Fix version for cli

Air-gap chart support

Include static Helm assets in the build process needed for air-gap

Update docker-compose for v0.2.0, add agent docker-compose, update re…

Provide a static assets route for use with helm or other air-gap needs.

Change-Id: I60c92d0127cfc503c46b26fe7b2e3ad2f957dfa3

Update README for correct VXLAN port

fix typo

Do not process empty yaml objects (fixes #222)

Short port names for service load balancer

If a port name is longer than 15 characters we are unable to create
the associated service load balancer containers. Use our own short
name of `lb-port-{port}` to avoid naming issues.

For rancher/k3s/issues/90

k3s agent param `-u` is incorrect, use `-s`

Update docker-compose for v0.2.0, add agent docker-compose, update readme for docker agent run command

Adjust the startup order of node and server, server service should be started at first.

Allow agent install

Add information on using the install script with environment variables
for defining desired download version, launch flags, agent install, and
install without downloads.

Assign default namespace if not set in manifests

Various helm fixes

Enable systemd ready notification for k3s server

Fix containerd debug log env var

Modify the install script to allow defining arbitrary service names and
commands for k3s.