Start working on form to extend runtime for instance; this is not yet working
More progress on form to extend runtime
Start migrating HTML pages to using layout.html for base
Add to instance table: start time, scheduled shutdown time, extend runtime dropdown
Tomorrow to work on limiting last two colums only to instances with 'Dev' tag
Set up instance_events page to shut down all instances past their scheduled shutdown time
-May or may not add cron; might just do based on assumed page load