Create Survey instance with known key 'terveyskysely' and make new questions point to it.
Use TextProperty instead of StringProperty for questions.
Use textarea for detail question.
Beginnings of survey answering.
Create answer instance for each question in answer form.
Make survey question answer yes/no exlusive, and set the value in answer.
Survey answering works.
Use modal to add new dog.
Refactoring.
Use search_dog.html template in Terveyskysely.
Get rid of TerveyskyselyTmp.
Introduce TerveyskyselyAnswer. Save answer from survey form.
Add Terveyskysely/Vastaukset subview.
Rename controller.
Rename dog -> koira.
List answers in Terveyskysely/Vastaukset.
Hide inputs in Terveyskysely/Answer until dog has been chosen.