Add image format and source information to display - needs changes to engines to actually display something.
Displays result.source (website from which the image was taken) and result.img_format (image type and size).
Result is styled with result-format and result-source classes. See PR #1566 for an example of an engine which has the necessary changes.
Strip <span class="highlight">...</span> in the oscar image template.
Fetch complete JSON data block, use legend to extract images.
Unquote urlencoded strings.
Add image description as 'content'.
Add 'img_format' and 'source' data (needs PR #1567 to enable this data to be displayed).
Show images which lack ownerid instead of discarding them.
use data from embedded JSON to improve results (e.g. real page title), add image format and source info (see PR #1567), improve paging logic (it now works)