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
Stop test server in endpoint unittest.
Start running e2e go tests. Disable broken test.
Start adding git volumes.
Move handler setup: cmd/apiserver -> pkg/master

Moved CORS handler setup and authorizer setup.
Will allow for integration test of authorization.
Turn on node constraint scheduling.
Merge pull request #2005 from erictune/master_integ_test

Move handler setup: cmd/apiserver -> pkg/master
Merge pull request #1784 from JaysonRaymond/master

CoreOS Getting Started Guide: should specify required cloud-config changes #1770
Merge pull request #2007 from brendandburns/scheduler

Turn on node constraint scheduling.
Fix the e2e tests and kubecfg given recent additional validation.
Merge pull request #2010 from brendandburns/fix

Fix the e2e tests and kubecfg given recent additional validation.
Turn on auto security updates for debian based systems.

Fixes #2008
Respect a requested PortalIP if possible
Further fixes.
Merge pull request #2011 from brendandburns/fix

Further fixes due to validation changes.