Fix AttributeError on Http404.
Merge pull request #910 from oremj/varyfix

Fix AttributeError on Http404.
Bug 896846

lib/crypto/packaged:sign_app does not clean up tempfile in
all cases
bypass region middleware when it is not the API (bug 784843 and bug 892704)
Return a different status code for "already purchased" (bug 891000)
Merge pull request #904 from davidbgk/891000-status-code-409

Return a different status code for "already purchased" (bug 891000)
Use absolute path for nagios_check_packaged_app.zip
fix form transfield comparator when val is none
add in a payment status page (bug 889629)
don't let operators search by other addon types (bug 897178)
update l10n script for git vs svn
fix reviewers' search button line height (bug 895462)
Bump validators

+ FX23 compat tests
* Improve data URI support in app-validator
* Fix typos in app-validator
Modify crontab.tpl to run jobs in UTC
Merge pull request #928 from jasonthomas/crontab

Modify crontab.tpl to run jobs in UTC
Use venv python.
add comment to crontab.tpl about UTC
In translated forms, pass default_locale to fields and widgets (bug 894563)
Don't remove deleted webapps from index (bug 896782)
Notify on price region changes for paid apps (bug 888023)