fixed background not showing
Scene switching update, Dual MIDI controller support

Gifslap is now configured to work with one or two controllers
simultaneously. This setup is mapped for the Livid Cntrl:R and the
Livid Block
file cleanup
Automatic scrolling inner backgrounds
renamed kscope.js to border_boxes.js
gif grid explosion, mapped to the Block grid controller

rippler.js
"Wind" blows gifs around the screen with WASD
Center Pix: a centered flat tunnel of gifs
chain cleanup
Circle, Hallway and Mirror improvements
Initial gamepad support and controller select screen
Offscreen HUD for upcoming GIF selection

Launches a popup.