Changes

|mozillas wiki:[https://wiki.mozilla.org/Education/Projects/ProcessingForTheWeb/sphere sphere], [https://wiki.mozilla.org/Education/Projects/ProcessingForTheWeb/sphereDetail sphereDetail],[https://wiki.mozilla.org/Education/Projects/ProcessingForTheWeb/box box] [http://matrix.senecac.on.ca/~asobiepa/Processing/3D/boxSlider.html box demo] [http://matrix.senecac.on.ca/~asobiepa/Processing/3D/sphereSlider.html sphere demo]