Created backend controller and front page for viewing user heatmaps.
Configuration is in at /configuration?format=json&key=<blahblah>, partials are fixed, various cleanup. I didn't finish cookies for configuration, also thinking of renaming configuration to preferences
corrected data race issue. user can now upload and immediately see
upload. fixes #29.
Removed debug statements.
Merge pull request #30 from dfci-cccb/analyze-page-redux

Analyze page redux
Fixed the partials view issue, added log statement for data fetch
Merge remote-tracking branch 'origin/master' into heatmap-fix-32