Added Survey and SurveyContent model. They are currently located in a single file this can be undone later on. Patch by: James Levy, Daniel Diniz, Lennard de Rijk Reviewed by: Lennard de Rijk

import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pkg_resources
pkg_resources.require('WebOb')