add supersized slideshow

apps/gallery/css/supersized.css

apps/gallery/css/supersized.shutter.css

apps/gallery/img/supersized/back.png

apps/gallery/img/supersized/bg-black.png

apps/gallery/img/supersized/bg-hover.png

apps/gallery/img/supersized/button-tray-down.png

apps/gallery/img/supersized/button-tray-up.png

apps/gallery/img/supersized/forward.png

apps/gallery/img/supersized/nav-bg.png

apps/gallery/img/supersized/nav-dot.png

apps/gallery/img/supersized/pause.png

apps/gallery/img/supersized/play.png

apps/gallery/img/supersized/progress-back.png

apps/gallery/img/supersized/progress-bar.png

apps/gallery/img/supersized/progress.gif

apps/gallery/img/supersized/supersized-logo.png

apps/gallery/img/supersized/thumb-back.png

apps/gallery/img/supersized/thumb-forward.png

apps/gallery/index.php

apps/gallery/js/jquery.easing.min.js