[bug 910800] Upgrade to Django 1.5.5

This updates playdoh-lib and picks up the following which includes
Django 1.5.5 update most of which is cosmetic and doesn't affect
us.

1117ecc Merge pull request #56 from willkg/update-funfactory
6bc7ee1 Update funfactory to latest master tip
f4936a8 Update jingo to latest master tip (5e985a5)
892ed74 Update to Django 1.5.5
2c89fe7 Upgrade bleach to 1.2.2
db88c21 Django 1.4.10, r=willkg
94dcac7 Merge pull request #53 from willkg/remove-schematic-2
c66e513 Remove schematic submodule
2ad6d1e Merge pull request #50 from willkg/sort-vendorpth
16d21ce Cosmetic: Resort vendor.pth
707fdfc updating django-mobility and django-multidb-router
4d482c3 Merge pull request #49 from akatsoulas/update-funfactory
730f35d Update funfactory to latest master.
65d7a52 upgrade to django-browserid 0.9
a1def31 Merge pull request #47 from pmclanahan/update-funfactory
9b22ad9 Update funfactory to latest master.

r?