Updated instructions for locally running kubernetes

Go is a dependency.
Fix node namespace.
add utility for binding flags and building api server clients
Enable public IPs even in not createExternal...

This allows the proxier to portal Public IPs even if the
createExternalLoadBalancer flag is not set.

This also fixes what appears to be a bug in the createExternalLoadBalancer path
wherein multiple PublicIPs would get truncated.
Remove format specifiers with no options.
Merge pull request #2610 from ddysher/node-namespace

Fix node namespace.
Merge pull request #2638 from thockin/iptables

Fix iptables for old systems
Revert "Fix link to authentication document"
Merge pull request #2640 from GoogleCloudPlatform/revert-2629-fix_auth_link

Revert "Fix link to authentication document"
Fix head
Merge pull request #2641 from thockin/fix-head

Fix head
Merge pull request #2636 from erictune/service_env_var

	Remove format specifiers with no options.
Merge pull request #2437 from deads2k/deads-add-utility-to-bind-auth-flags

add utility for binding flags and building api server clients
docs: CoreOS worker nodes should not require a local etcd install
Remove unused nsinit salt state
Updating links
Merge pull request #2642 from kelseyhightower/update-to-0.5

docs: CoreOS worker nodes should not require a local etcd install
Make output of td-agent quieter
add another registry URL
Set initial timeout on UDP proxy connection creation