Reformatted the section on environment and settings.
Get wed from an npm package.

Since wed is now distributed as an npm package, get it from npm.
Run `lessc` from the `node_modules/.bin` directory.
Committed by mistake.
We don't use citeproc yet.
Fixed a problem with the way qunit is downloaded.
We don't use Django ace.
Missing requirements added.
Wed upgraded jQuery but we forgot to do it here too.
Improve the looks of the site.
We don't need unique emails.
Prevent refiltering the table when changing a title.
Use the `title` view for general searches.
Fixed a test that was timing out.
Handle cases where setting the status fails.
If native events are not supported, cleanup before giving up.