Hook up dynafields in params.py
The helper method getDynaFields converts a list with dynafield dicts
to a dictionary with dynaproperties and is used to update the
create- and edit_dynaproperties dicts.
Patch by: Sverre Rabbelier
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pkg_resources
pkg_resources.require('WebOb')