160203 Release - Githubissues

Release notes

Fix prompting again after closing notification permission prompt if site has its own ServiceWorker. (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1192)
Fix OneSignal.logout() so it doesn't throw an error if there isn't a push subscription. (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1194)
Fix outdated external ids caused by OneSignal returning the user's previous external id in its response for user GET requests when called quickly after the user was created. (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1189)

Enforce some additional Typescript compile errors that were only IDE warnings. (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1195)
Fix TypeError: Cannot destructure property 'lastKnownPushToken' of '(intermediate value)' as it is undefined. in operation repo tests. (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1196)
Operation repo refactor that will help with the implementation of identity verification (https://github.com/OneSignal/OneSignal-Website-SDK/pull/1179)

This change is