Improve service worker script caching and update#1283

Merged

jungkees merged 4 commits intomasterfrom

sw-script-cache

Mar 13, 2018

Commits on Mar 5, 2018

Improve service worker script caching and update
jungkees
committed

Commits on Mar 7, 2018

Clarify a reference to the script resource map
jungkees
committed

Commits on Mar 8, 2018

Do all byte-check before starting the service worker
jungkees
committed

Commits on Mar 13, 2018

Apply the changes to V1 and add html files
jungkees
committed