Simplified dragging listeners.
Include border in demo by default.

This was left out two years ago for preformance.
Modified SiGN to allow wide turn notation.
F and F' bindings from kSim.
Alg typing.
Thinner sticker border.
Refactored definitions of twisties.
Updated THREE.js to r60.
Camera now fills entire div.
Refactored cubie construction.
Support internal cubies.
Everything working again.
Adjusted border.