Switch notebook editors to monaco (#239)

* Upgrade nteract packages and related dependencies to make new stateful-component work

* Switch to new monacoEditor

* Configure store using nteract mythic configuration

* Replace CodeMirror with Monaco editor in NotebookReadOnlyRenderer

* Reformat

* Upgrade d3 to latest to resolve d3-selection conflicts with nteract/data-explorer that broke D3ForceGraph

* Upgrade jupyterlab terminal widget to work with latest version of react. Upgrade jupyterlab services to include latest fix for websocket auth

* Update jest test snapshots

* Upgrade packages to fix build issues

* Remove comment

* Fix unit tests

* Fix unit test snapshot

* Remove useless @types/node-fetch

src/Explorer/Controls/Settings/SettingsSubComponents/__snapshots__/ToolTipLabelComponent.test.tsx.snap

@@ -41,7 +41,7 @@ exports[`ToolTipLabelComponent renders 1`] = `
         }
       }
     >
-      <Memo(StyledIconBase)
+      <StyledIconBase
         ariaLabel="Info"
         iconName="Info"
         styles={