change name of this repo to whitman-LG55_variorum

[jduss4]

will need to move it on servers and alter config to reflect the new path, as well, for purposes of HTML and IIIF retrieval

• [x] github location (here)
• [x] git config
• [x] sitemap 8 places
• [x] collection in data config
• [x] mirador viewer iframe HTML / JS
• [x] any other places we discover along the way

[jduss4]

just kidding it's whitman-LG_1855_variorum