Email settings
Revert change to SITE_NAME
Address to send emails from
Nicer profile page
Conditionally support email; email host is now a setting rather than hard coded.
batch show/hide notes, closes #269
Correct pdf2htmlEX build instructions
Merge branch 'master' into django155
workaround for #270
VM hack to fix #259
improved version management; adding vm-specific pip reqs that inherits prod.
updating docs for debugging on prod system, such as a VM