Move tooltip on disabled button to wrapper element
Use row elements to separate rows, not paragraphs
Add download-album view and button
Remove unused import
Add TODOs for replacing simples3 with boto
Disable bulk-download if there are no images in album
Download image album from S3 and send in zipfile
Send processed images to client async while downloading

Uses a generator to yield the processed zipfile data for each image and
send it to the client while the server downloads the next image from S3,
instead of downloading everything to the server before processing and
forwarding to the client.
Remove unused import
Ignore non-ascii filename characters to support Windows
Encode zipfile-name with utf-8
Overwrite exif data with db properties when downloading album
Merge branch 'gallery-bulk-download'