Temporarily tweak ContentUploader to permit recreation of thumbnail versions.
Restore white list in ContentUploader.
Eliminate space between thumbnails and remove unnecessary CSS.
Add data-id attributes to each of the thumbnails and retrieve in images js file.
Load all images in index view, but use javascript to randomly display one at start.
Add prev and next buttons--not operational; adjust styling and divs.
Attach click handlers to prev/next buttons.
Add hide image functionality.
Combine hide/reveal image functions to have working prev/next buttons.
Add classes for thumbnail opacity and remove push div.