Upgrade Django version
Quote view names in url tags
Use view names in login settings
Allowed host setting in production
Switch to standard json module
Merge branch 'master' into django1.5
Get rid of trailing dot in minutes
Add upgrade notes
Clean-up before re-run
Update tests with new pretty time
Merge pull request #690 from makinacorpus/django1.5

Upgrade to Django1.5