minor cleanup.
fix javascript documentation.
hide tutor details when upstream selections change.
Protect the configuration sheet. It's no longer publicly available.
Comment only changes. Test git merging.
Add logging of tutoring requests to a configured spreadsheet.
Log tutoring requests.
Fixed bug where it was not adding a new row to the log.
update app url
new deployment app url
Avoid problem where config may be used before it is created.
Used getConfig() and getMessage() with lazy initialization.
Revert change for getMessage() since it caused problems.
removed some spurious semi-colons.
remove logging statement in an attempt to improve performance.