Resubmitting: tweaks to search results page, including using amazonisbn to pull cover...

Resubmitting: tweaks to search results page, including using amazonisbn to pull cover image and inline display of itemtype images to improve display.

The previous method for displaying itemtype images relied on setting a background-image for a list item. This method didn't take into account the possibility of varying sizes for images, resulting in overlap with some images. This patch also includes some changes to improve readability of holdings information.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>