Add some totally arbitrary tile sizes to IIIF
Add some totally arbitrary tile sizes to IIIF

This is bad.  This needs to be customizable.  Or at least somehow
generated based on the image being examined, not a default forced value.

uoregon-libraries/rais-image-server,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/rais-image-server,uoregon-libraries/rais-image-server,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/newspaper-jp2-viewer,uoregon-libraries/rais-image-server