Publish

 - @nteract/core@0.0.4
 - nteract@0.4.3
 - @nteract/editor@4.1.1
 - enchannel@4.1.1
 - @nteract/messaging@2.1.1
 - @nteract/notebook-preview@4.1.2
 - @nteract/showcase@0.0.4
 - nteract-on-jupyter@1.1.3