Merge pull request #37 from cottonpaul/master

Last minute change to copy at assessment question
more fine-tuning of school entry
more tweaks including reseting adjusters
add confirmation page for schools
using digits
fix? read only bug
+w works, 666 doesn't
fix 95% problem?
no more limbo
fixed 95 percent for no
v3
3.1 -- use stat for chmod flag
use email_address rather than email to avoid name override
pep8 cleanup; remove unneeded collectible
run dosfsck on malformed USB sticks