Image uploading now expects a file. Refactor image uploading to not expect a Django UploadedFile and use a regular file instead. This will be needed for the future feature of being able to save and upload images from the Internet.

.user_photo {
   margin: 1em;
   display: inline-block;
}
.owner_photo {
   border: 1px solid gray;
}
.owner_photo img {
   margin: auto;
   width: 100%;
}
hr.footer_divider {
   margin-top: 1.5em;
}