Add options for loading tiles via AJAX and custom AJAX request headers (#8)
Add options for loading tiles via AJAX and custom AJAX request headers (#8)

* Work on ajax loading images.

* Modify headers to be per index.

Islandora/internet_archive_bookreader,Islandora/internet_archive_bookreader,Islandora/internet_archive_bookreader,Islandora/internet_archive_bookreader,Islandora/internet_archive_bookreader