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
basic documentation about SkyDNS integration
rename the nd file
Use native exec support in docker instead of execing nsinit in kubelet.
Fix the build w/ docker 1.3.0 on OS X
Merge pull request #1888 from brendandburns/build

Fix the build w/ docker 1.3.0 on OS X
Fix boot2docker with /User mapping.

Fixes #1856

Based on #1858 from @nyaxt.
Merge pull request #1876 from jbeda/boot2docker-fix

Fix boot2docker with /User mapping.
Move error about connecting to healthz server to V(1)
Merge pull request #1855 from mfojtik/verbose

Make Kubernetes startup less noisy
Fixup apiserver proxy to be namespace aware
Update apiserver.service
Better config-file logging in kubelet
Merge pull request #1901 from rabi/doc-ip-per-service-core

Update apiserver.service docs for ip-per-service changes
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.