Make edit button on push page work

edit button requires NewRequestDialog to pull in the required
javascript and form html.
Enable push survey on discard push
New Request no longer auto-closes when pressing esc.
Update gitignore for coverage
use scheme variable
Drop privileges before starting other services

pidfile is mode 666 so it's safe to drop privileges
Merge pull request #38 from 'asottile/im_sick_of_it_auto_closing_on_escape'

New Request no longer auto-closes when pressing esc.
Merge pull request #41 from 'milki/drop-privs-early'

Drop privileges before starting other services
Merge pull request #37 from 'milki/survey_for_discard'

Enable push survey on discard push
Merge pull request #36 from 'milkiedit_req_in_push'

Make edit button on push page work
Merge pull request #39 from 'milki/git-scheme'

Use git scheme variable
Merge pull request #40 from 'milki/gitignore-coverage'

Update gitignore for coverage