download original image
download original image notification. still need to figure out how to notify the user visually
Merge branch 'feature/full-image-downloader' into develop
fix last photo inset
fix icons
show download button all the time
toggle navigation bar in horizontal photos
darken background view on full screen
fix animation zoom
fix spacing
disable drag to close horizontal
fetch sharing token.
share photo's URL
fix wrong page when opening horizontal then quickly swipe
Merge branch 'develop'