Refactor for default renderer in rickshaw graphs, use 'bar' only for new_user funnel
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
tweaking graph sizes
upgrade rickshaw and d3
Labeling graph
Labeling graph
Labeling graph
Labeling graph
Labeling graph
Labeling graph
Labeling graph
Labeling graph
Labeling graph