Add more highcharts options
Fix bugs in new Highcharts options
Use None instead of "null" in Highcharts boilerplate
Use real Keen.io data for gmail inbox view
Pick better colors for email inbox graph lines.
Remove y-axis title, lighter gridlines
fix gridlines alpha
add x-axis categories
Merge branch 'master' of github.com:total-impact/impactstory-analytics

Conflicts:
	impactstoryanalytics/views.py