When the screen switches, the full screen needs to be refreshed for the
hardware scrolling to work. This was enforced with backgroundLabels, but
is simpler to do with a rounder function.
Don't use relative imports like `../foo.h` as those depend on the
relative position of both files. Rather than that use imports relative
to the `src` directory, which explicitly is part of the include
directories.
new navigation
add some color to the apps
redesign menus
new settings menu
new quick settings
code clean up
size reduction by converting navigation images to font
and more...