Revert "Noddy change to force redeploy"

This reverts commit d201675e7f79dc9ef2fc535ec6f3cd9f4d63970f.
Revert "Tidy up the javascript"

This reverts commit 726e48dc5d6d694b7612b3cdb5ecad32405a9804.
Revert "Added slider"

This reverts commit 53d5f0f12f1c84f49f7d08ec550404c45038e484.