shim `python -m IPython.html`

IPython/html.py

@@ -15,3 +15,6 b' from IPython.utils.shimmodule import ShimModule'
 sys.modules['IPython.html'] = ShimModule(
     src='IPython.html', mirror='jupyter_notebook')
 
+if __name__ == '__main__':
+    from jupyter_notebook import notebookapp as app
+    app.launch_new_instance()