use temporary prebuilt wagtailfontawesome package with Wagtail 2.0 fixes added

requirements/base.txt

@@ -8,5 +8,5 @@ elasticsearch==2.4.1
 # to let us run the bakerydemo build script before swapping in a development copy of wagtail,
 # as vagrant-wagtail-develop does
 -e git://github.com/wagtail/wagtail@cleanup/rename-modules#egg=wagtail
--e git://github.com/gasman/wagtailfontawesome.git@feature/wagtail2.0#egg=wagtailfontawesome
+http://playground.torchboxapps.com/matthew/wagtail/wagtailfontawesome-1.1.1-py2.py3-none-any.whl
 Pillow==4.0.0