shibbas

mock-socket WebSocketServer should use the mock: false flag to not stub out the global WebSocket

1

### Problem The latest version of mock-socket now provides a way to specify that the global WebSocket should not be stubbed out. Currently any following Websocket operations after starting a...

[add] detect and recover from kernel auto restarts

5

## Checklist - [X] I have read the [Contributor Guide](https://github.com/nteract/nteract/blob/master/CONTRIBUTING.md) - [X] I have updated the changelogs/current_changelog.md file with some information about the change that I am making the appropriate...

**Is your feature request related to a problem? Please describe.** When creating a new polyglot notebook, you can select the default language from a drop down. Markdown is also one...