Update the aws docs with a pointer to instance profile and roles.
Merge pull request #3069 from brendandburns/dutchcoders-master

Update the aws docs with a pointer to instance profile and roles.
Update the Vagrant getting started guide

Fixes two instances that reference the deprecated kubecfg.sh tool.

Update the kubernetes_vagrant_auth example to more accurately reflect
what happened when I ran the scripts on my local machine.
Remove debug print in kubectl.sh

Removes a debug print that (it seems to me) was added in erro
as part of PR #3046 / commit c3efef8.
Replace kubecfg with kubectl in setup scripts

Replaces two instances of kubecfg with kubectl in cluster startup and
validation scripts.
Merge pull request #3072 from rlarocque2/remove_kubectl_echo

Remove debug print in kubectl.sh
Merge pull request #3073 from rlarocque2/kubectl_scripts

Replace kubecfg with kubectl in setup scripts
Merge pull request #3071 from rlarocque2/vagrant_doc_fixes

Update the Vagrant getting started guide