Adds iiif av component back into main application#1495

K8Sewell wants to merge 12 commits intodevUniversalViewer/universalviewer:devfrom

issue-1380-dependency-consolidation-iiif-av-componenentUniversalViewer/universalviewer:issue-1380-dependency-consolidation-iiif-av-componenentCopy head branch name to clipboard