Reverting commit @3bfb633 and updating openseadragon.js for latest build Conflicts: common/lib/xmodule/xmodule/imageannotation_module.py common/lib/xmodule/xmodule/textannotation_module.py common/lib/xmodule/xmodule/videoannotation_module.py
Reverting commit @3bfb633 and updating openseadragon.js for latest build Conflicts: common/lib/xmodule/xmodule/imageannotation_module.py common/lib/xmodule/xmodule/textannotation_module.py common/lib/xmodule/xmodule/videoannotation_module.py