update cloud_config with instructions on required changes and add network.md, correct links in quick_start
clean up formatting
attempting in document relative link
adding one more hint for fusion users
Update coreos_cloud_config.md

Correcting relative link
Update networking.md

adding @jeinwei's experiences
Use native exec support in docker instead of execing nsinit in kubelet.
Rackspace - Switch to CoreOS for standard cluster

The Rackspace setup for Kubernetes now leverages CoreOS instead of Ubuntu. We've dropped Salt completely for our cluster.
Add Rackspace to build/release.sh

Updates to the build/release.sh scripts to upload build binaries to
Cloud Files.
remove hardcoded cloudfiles path and fix PORTAL_NET
Migrate Rackspace upload scripts to util.sh

The functions to upload built k8s tars to Cloud Files were incorrectly
placed in build/common.sh. These have been migrated to
cluster/rackspace/util.sh
Remove extra newline and update comments in util.sh
Flush data periodically instead of their buffering
Handle auth files with BearerToken sections.
Flunentd to GCP logging node level configuration
ListenAndServe on Kubelet server should be a fatal error
Implementing Flush method to httplog
Add a "201" walkthrough.
Merge pull request #1924 from brendandburns/docs

Add a "201" walkthrough.
Fix some links...