Update favicon
Always show cell output menu
Hide output menu when in advanced mode w/o input
Add a dedicated button for toggling output display
handle attaching new cells in a single point

This limits to exposure of the directive to its scope
Add persistent add cell button to bottom
Prevent editing markdown cells when locked
Hide output menu when in locked collapsed mode
Fix table output top padding
Make error output toggleable
Fix broken method args
Add new stdout stderr
Add template precompile step
Extract control panel template
Restyle control panel open design
Move landing page new notebook to the bottom
Extract inline menu html
Remove evaluators notebook menu item
Update notebook menu structure
Remove comment blocks from compiled templates