Edit SurveyRecord model to not make use of different Survey property for each subclass. This does mean that a simple query needs to be constructed by hand whenever you want to query for every SurveyRecord for a specific Survey. However the naming is now the same over each SurveyRecord and it fits well into the rest of the design of Melange.

release: "1.2.3"
timestamp: 1243913623
api_versions: ['1']