[python][jupyter] Customization

• Add Table of Contents to your Jupyter Notebook 
• http://www.statsblogs.com/2016/08/10/add-table-of-contents-to-your-jupyter-notebook/
• http://www.sas-programming.com/2016/08/add-table-of-contents-to-your-jupyter.html

• Add Sublimetext keymap

require(["codemirror/keymap/sublime", "notebook/js/cell"], function(sublime_keymap, cell) {
    cell.Cell.options_default.cm_config.keyMap = 'sublime';
});

• Add customized hotkey

$([IPython.events]).on("app_initialized.NotebookApp", function() {

  IPython.keyboard_manager.command_shortcuts.add_shortcut('ctrl-k', function(event) {
    IPython.notebook.move_cell_up();
    return false;
  });
});