Restart SE when settings are saved.

Started tracking dirty notebooks.

Fixed some type errors from bad `purescript-react`.

Might need to rethink this.

Implement the save logic in settings.

Missed sd port.

Added back config modal.

Make sure the config is able to be saved right away.

Clean up and some documentation.

Add test for #75.

Also update the others to sleep for a bit.
Maybe that will fix the tests?

WAT.

Fixes #74.
Merge branch 'master' of github.com:slamdata/slamdata into ready/75
Merge pull request #127 from joneshf/ready/75

Ready/75