Navigation Hotkeys

Adds new key combinations for easier notebook navigation. (t) means that key or category you can toggle on/off in the settings.

Edit-mode hotkeys (t):

pageup - scroll page up
pagedown - scroll page down
Alt- Add - Split cell and keep cursor position (+ on the keypad)
Alt- Subtract - Combine cell and keep cursor position (- on the keypad)
Alt-n - Toggle line number display in current codecell
Ctrl-y - toggle celltype between markdown and code
Shift-Enter - (t) Execute cell, goto next cell and stay in edit mode if next cell is a code cell or unrendered markdown cell
Ctrl-Enter - (t) Execute cell and stay in edit mode if cell is a code cell

Command-mode hotkeys (t):