Add bar chart option for rendering new_user_flow
sort data so that steps are in expected order
Update segmentations: new indexes, segmentation config to cover common cases
Handle not-orphaned new user cases
Add segment by rp api
Add table to new_user funnel graph
hardcode EARLIEST_DATE to day we started collecting production kpi data
Modify fake milestones to be in our date range, add 'internal' rp_api
Make use of bootstrap styling for table, etc.
Refactor for default renderer in rickshaw graphs, use 'bar' only for new_user funnel
tweaking graph sizes
upgrade rickshaw and d3
Labeling new_user graph