minor cleanup.
Immediately disable the submit button to prevent multiple clicks for
same request.
Show a nice user message if email quota is exceeded, and log a system
message for later analysis.
TutorMatch 2.0 additions.
Added tutor and tutee agreement text.
Added student Id, parent email and phone number to tutee form
Add refs to tutee parent email and phone.
Add use of tutor status to only show tutors that are AVAILABLE.
Update styling a little.
Add link to process doc.
Call it Logan TutorMatch to avoid conflict with other TutorMatch apps
out there.
Fix bugs related to parents email and phone.
Fix bugs related to parents email and phone.
Smaller title font.
rebase.
Merge remote-tracking branch 'origin/master'

Conflicts:
	LoganTutorMatchApp/TutoringRequestPage.gs
Use HTML email body for better formatting.
Fix profile columns for new form.
Add new line after addressing in email.
Add headers to log spreadsheet if initially empty.
Use <br> instead of \n in emails.
Update app url in readme.
Comment call set tet the config sheet script property.
Comment logging.
Use getActiveUser instead of getEffectiveUser evne though it did not
help.