* Introduce `localize2` function
This is syntax sugar around:
```
{ value localize('id', "Hello"), original: 'Hello' }
```
That will now be returned when you do:
```
localize2('id', "Hello");
```
* fix merge conflic
* new source map due to updated deps
* Fixing line height if drop into prompt wraps
* Use keybinding style for `shift` in overlay
* Update to build VS Code using latest TS nightly
* Fix compile error
* Bump TS
* Add constraint
Upgrades our build scripts to target ES2017 since they are run on modern versions of node
This allows us to remove shims for es6 features such as `Object.assign`, and also remove a few extra typings packages