Bump the djangorestframework dependency version
Use gevent workers on Heroku
Restore created/updated datetime to serialized places
Stop using gevent, pending more research about it's interaction with newrelic
Remove obsolete reference to django.core.urls.defaults
Get rid of reference to deprecated django.utils.simplejson
Update the django version to 1.6.1

Keep an eye on this, as I'm pretty sure that there was some reason (related to rotating of CSRF tokens on authentication) that kept us from updating beyond 1.5.4 before.
Add dataset to all submitted things list view in the admin; Remove id from the dataset list view in admin
Use OSMGeoAdmin instead of ModelAdmin for SubmittedThings
Show raw_id fields for submitter and dataset
Add place and submission set name to submission set admin list
Allow searching through the data blob, submitter name, and submission set for places and submissions
Move the debug_toolbar installation to the bottom of settings, so that it's not loaded if it's not used (it slows things down)
Limit the submitted things shown to the ones owned by the current user
Show only the filter items relevant to the current listed submitted things
Don't let dataset owners choose owners for datasets
Stop using the deprecated mimetype argument for HttpResponse
Get rid of deprecation errors in tests

Explicitly specify many=True where appropriate in serializers.
Exclude the manager from testing
Exclude the manager from test coverage