Fixing comments, typo, renamed method

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

Signed-off-by: Zane M. Kolnik <zanematthew@gmail.com>
Added correct size to payments, added downloadable sizes to drop down, #363.

Signed-off-by: Zane M. Kolnik <zanematthew@gmail.com>
Merge branch 'dev' of github.com:graphpaperpress/sell-media into dev