Use Math instead of FloatMath

Apparently FloatMath is worse for performance now. The times they are
a'changin'. This is according to the linter
Add ToggleButton for toggling properties on/off

it's essentially just a checkbox with a label
Add ToggleButton for showing grid lines on the pad
Design the damn thing!

Thanks to @garrettlangley we actually have a design. as opposed to ugly
vomit borders. this is kind of a jumble of a commit but it's all about new
colors and the new layout.
Add the perty new icon
Merge pull request #4 from mattfeury/beautiful-buffalo

Beautiful buffalo