remove console.log call
Properly initialize sid. Error checking

I'm not sure how this was working yesterday, as the sid was not getting initialized in any decent way.
new script to populate div_ids table from source
Fix permission regression on instructors page

the main instructors page requires login status, but should not require instructor status.
add class_name to cohort_master
Add class_name to cohort_master
start of a cohort progress report
spiff up formatting
just dates not datetimes
workaround for scheduler not detecting doneness
automatically include code coach on exercises
keep track of odd exercise divs
Use overview video
Update the home page
add new js and css
remove javascript that forces focus on login
remove autofocus on login
remove references to holder.js
Add redirect to everyday
update email server