The getShare*Url functions in web/common.ts should return App Engine URLs instead of (probably internal) nup-headless URLs. I'll probably need to embed the base App Engine URL in the HTML page.
The `getShare*Url` functions in `web/common.ts` should return App Engine URLs instead of (probably internal) `nup-headless` URLs. I'll probably need to embed the base App Engine URL in the HTML page.