start of size variants

Signed-off-by: Zane M. Kolnik <zanematthew@gmail.com>
Improvements

- Adding global js variable back in, which allowed uploader to close, #98.

- Since there are no longer two different uploaders on the same page, we can reload the same one thus making things "faster".

Signed-off-by: Zane M. Kolnik <zanematthew@gmail.com>