Incorporate https://github.com/slightlyoff/ServiceWorker/commit/747dba12eb12a9b8f0e10763eeb0f1a3062c5403
Incorporate https://github.com/slightlyoff/ServiceWorker/commit/747dba12eb12a9b8f0e10763eeb0f1a3062c5403

justinleoye/ServiceWorker,zuzusik/ServiceWorker,justinleoye/ServiceWorker,karolklp/ServiceWorker,chadoliver/ServiceWorker,justinleoye/ServiceWorker,martinthomson/ServiceWorker,mkruisselbrink/ServiceWorker,mkruisselbrink/ServiceWorker,chadoliver/ServiceWorker,martinthomson/ServiceWorker,martinthomson/ServiceWorker,karolklp/ServiceWorker,zuzusik/ServiceWorker,zuzusik/ServiceWorker,karolklp/ServiceWorker,slightlyoff/ServiceWorker,chadoliver/ServiceWorker,slightlyoff/ServiceWorker