Initial work on d3 heatmap implementation

This was working but I made a few minor changes while linking a dynamically generated heatmap tsv which broke it
Connect heatmap to dynamic tsv generator
d3.js correctly recognizes heatmap files
d3.js heatmap will now only load once
Merge remote-tracking branch 'remotes/origin/master' into d3-heatmap
d3.js wired up to get data from mps-database-server
Remove test.tsv
Parse CSV into JS objects with async accessor methods
d3.js heatmap now works!
Merge pull request #13 from UPDDI/d3-heatmap

Merge fixes for Issue #12