[bug 825912] Upgrade playdoh-lib and django

This updates playdoh-lib:

ffb6542 Merge pull request #29 from peterbe/revert-django-browserid-0.7.1
0b784af Revert "upgrade to django-browserid==0.7.1"
5f367d6 Merge pull request #27 from peterbe/upgrade-django-browserid
d1d4eed upgrade to django 1.4.3, r=mkelly
a78e698 upgrade to django-browserid==0.7.1
8508fd6 Merge pull request #25 from willkg/ordereddict-fix
9ea2e90 Add ordereddict
d357594 upgrading funfactory for latest urlencode() fix, r=willkg
22bfbe9 Merge pull request #23 from willkg/celery-2.5-update
275892b Add celery 2.5.5 and friends
92de02f Remove celery 2.1.4, djcelery 2.1.4 and amqplib 0.8