Add 'rocasa' and update 'ftnapps' for quick links in index.html.
Main body updates and corrections in index.html.
Revert "Add CNAME for rocasa.org"

This reverts commit a9eac84e114375483771829698d15c00c827211b, which
added a CNAME file to GitHub site for jame; it has been moved to
the GitHub rocasa.github.io/git.rocasa.org site.