PSA: publishing new WD of Service Workers on February 5

[Arthur Barstow]

The Service Workers editors - which now includes Jake Archibald (thanks 
Jake!) - would like to publish a new WD of Service Workers and the 
proposed publication date is February 5:

<https://slightlyoff.github.io/ServiceWorker/publish/service_worker/WD-service-workers-20150205/>
If anyone has any major concerns with this, please speak up immediately; 
otherwise the WD will be published as proposed.

-Thanks, ArtB