Database design

[juliacordero]

• read https://docs.google.com/document/d/1M1jiwcYiHZ6ss2WeQUYtc2lXG-cLt4sA7uNgwn8_Qgc/edit for advice on data collection
• decide on what information we want to log during the study (what is possible for a web app? what gives us data to analyze for usability? also run final list by Tom for advice)
• write statements to update database in scene.js