New Relic support

Pretty straightforward tweak to the WSGI file to add New Relic support. Untested, but code pulled straight from https://github.com/mozilla/bedrock/blob/master/wsgi/playdoh.wsgi so it should be pretty solid.
bug 1021634 - single transaction for bulk productversion work
Merge pull request #71 from peterbe/bug-1021634-single-transaction-for-bulk-productversion-work

bug 1021634 - single transaction for bulk productversion work
Merge pull request #62 from superawesome/patch-1

New Relic support
fixes bug 1053860 - django 1.4.14/1.5.9/1.6.6 security update (MozTrap)
Merge pull request #73 from peterbe/bug-1053860-django-1414159166-security-update-moztrap

fixes bug 1053860 - django 1.4.14/1.5.9/1.6.6 security update (MozTrap)
add deleted_by to admin
doc changes
another doc fix
update pip install deps
adding raven for reporting to Sentry
Merge pull request #75 from peterbe/bug-1064992-set-up-moztrap-on-errormill

adding raven for reporting to Sentry
Merge pull request #74 from m8ttyB/readme_update

update pip install deps
Bug 1093828 - Add a site wide banner to warn users that the database is read-only
close readonly banner js - props to peterbe
Merge pull request #77 from bobsilverberg/readonly_banner

Bug 1093828 - Add a site wide banner to warn users that the database is read-only
Fix links in README

Used http://rst.ninjs.org/ to make sure it works.