* Manually added strict null checks in around 70 files
* Fixed tsconfig.strictNullChecks.json merge fail
* Touched up a few unnecessary type changes
* Removed files already in other PRs
Code like:
```
private readonly _onDidEncounterLanguage: Emitter<LanguageId> = new Emitter<LanguageId>();
```
Does not need to repeat the `Emitter<LanguageId>` type annotation
* update to 3.0.0-beta.3
* update d.ts files; rename NodeBuffer => Buffer
* update to 3.0.0-beta.4
* undo invalid change
* remove some Electron 2.0.x specific workarounds
* pinch zoom is now disabled by default
* update vscode-nsfw
* change vscode-nsfw
* update smoke test electron version
* streams: use destroy() over close()
* workaround broken tests
* bump distro and OSS
* try to bump node version for build
* update macOS build to use node.js 10.8.0
* fix extension tests
* use node.js 10.2.1 for all builds
* remove nsfw from dev dependencies
* back to node 8.x for build
* Revert "back to node 8.x for build"
This reverts commit 90ea2b7af2.
* update distro
* disable test run on macOS prod build for now
* bump distro
* ensure proper nsfw dep
* fix more native dependencies
* temp disable failing test
* fix packages
* update deps
* fix deps
* update deps
* enable macOS unit tests again
* fix deprecated buffer use
* Electron 3.0.0.beta.5
* bump deps
* fix tree accidentally treating auxclick as click
* improve overlay cleanup scheduler (fixes flicker seen with Electron 3.0.x)
* update distro
* remove obsolete disableBlinkFeatures: 'Auxclick'
* update to Electron 3.0 beta 6
* fix compile
* workaround #56994
* do not use backgroundColor to find shared process (causes flicker)
* fix flicker on windows from shared process background color
* webview - bubble up keyboard events (workaround for #56988)
* bump electron to 3.0.0-beta.8
* webview - fix deprecation
* webview - fix another deprecation
* debt - handle SIGPIPE on more processes
* workaround more webview focus issues (for #56988)
* webview - use proper way to focus()
* debt - avoid window-focus/blur and use native focus events instead
* webview - restore previous focus method
* webview - improve focus tracking (do not rely on DOM events)
* bump to electron 3.0.0-beta.9
* update deps
* update electron@3.0.0-beta.10
* webview - do not rely on DOM focus for certain commands (for #56988)
* update to electron@3.0.0-beta.11
* electron@3.0.0-beta.12
* update to beta 13
* update to electron 3.0.0
* update to Electron 3.0.1
* electron@3.0.2
* revert build changes (node.js version)
* try with: enable mojave dark mode support
* fix types
* electron 3.0.3
* electron@3.0.4
* fix deps
* bump electron@3.0.6
* bump electron@3.0.9
* fix strict null issue
* reset format
* bump electron@3.0.10
* fix strict null issue
* webview - print error when revive fails
* electron 3.0.x - try to fix keybindings in webviews (#64417)
* bump @types/node => ^10.12.12
* 💄
* update distro
