cleaned up .gitignore for pared-down branch; added *.json
updated public Dexcom, BG, and TDD logs
added README
updated public Dexcom, BG, and TDD logs
setting up for first crack at Dexcom data vis with D3
creating SVG
working version of 1-week batch binned histogram of Dexcom data
working version of interactive week-by-week histogram of Dexcom data