Removed "hitter" methods.

Don't think I'll need them any more, have a much better idea now.

Signed-off-by: Ken Hoover <ken.hoover@mail.utoronto.ca>
Some comments changed, tasks shuffled.

Signed-off-by: Ken Hoover <ken.hoover@mail.utoronto.ca>
Changed implementation of screens to multiple stages.

Signed-off-by: Ken Hoover <ken.hoover@mail.utoronto.ca>
Created scene-changing buttons.

Signed-off-by: Ken Hoover <ken.hoover@mail.utoronto.ca>