Navigation Hotkeys
==================

Adds new key combinations for easier notebook navigation.

Edit Mode
---------

| Hotkey          | Description                                               |
|-----------------|-----------------------------------------------------------|
| `pageup`        | scroll page up                                            |
| `pagedown`      | scroll page down                                          |
| `Alt`- `+`      | Split cell and keep cursor position                       |
| `Alt`- `-`      | Combine cell and keep cursor position                     |
| `Alt`-`n`       | Toggle line number display in current codecell            |
| `Shift`-`Enter` | Execute cell, goto next cell and stay in edit mode if next cell is a code cell or unredered markdown cell |
| `Ctrl`-`Enter`  | Execute cell and stay in edit mode if cell is a code cell |
| `Ctrl`-`y`      | toggle celltype between markdown and code                 |


Command Mode
------------

| Hotkey     | Description              |
|------------|--------------------------|
| `esc`      | toggle to edit mode      |
| `home`     | Go to top of notebook    |
| `end`      | Go to bottom of notebook |
| `pageup`   | scroll page up           |
| `pagedown` | scroll page down         |
