thumbnails now coming from loris
added openseadragon libs and imagse
Integrated Viewer… WIP

Work in Progress… needs to load new image when new thumbnail is
clicked.  Not sure whether it can be injected into existing instance or
if it needs to be destroyed and relaunched.  Looking into isOpen() and
destroy() methods.
added rotation and fixed openseadragon refresh
new modal approach taken due to problems with native bootstrap modals
loris integration phase 1 complete
Merge pull request #20 from pulibrary/loris_intergration

Loris intergration