Add an integration test for services.
Add a caching layer, so we don't pound cloud providers for ip addresses.
Add a signal handler to pause.

It returns 0 when a signal is received.
Merge pull request #1560 from brendandburns/scheduler

Add a caching layer, so we don't pound cloud providers for ip addresses.
Merge pull request #1563 from vmarmol/master

Add a signal handler to pause.
Merge pull request #1559 from brendandburns/fix

Add an integration test for services.
Merge pull request #1544 from justinlindh/configurable-sleep-interval

Add configurable sleep between polling intervals for GCE status
Add a backoff policy for failing pods.
Add text about example cluster and clarify pre-requisites.
Merge pull request #1575 from rgooch/docfixes

Docfixes
Use formal error checking to validate a not found err.
Add a resource fit scheduler predicate.  Set sensible defaults.
add coreos setup guides
Extract the service controller from the apiserver, put it in the controller manager for now.
Merge pull request #1536 from brendandburns/resource

Add in resource fit as a predicate.  Manually set the available resources.
Merge pull request #1561 from brendandburns/sleep

Add some backoff to the scheduler to prevent tight-looping.
Merge pull request #1576 from kelseyhightower/add-coreos-docs

add coreos setup guides
Merge pull request #1577 from brendandburns/fix

Use formal error checking to validate a not found err.
Fix integration test read volume dir error.
Merge pull request #1579 from ddysher/integration-fix

Fix integration test read volume dir error.