add csv2json, alter from csv2array, add sankey
update TODO
add sankey controller

need to clean up data filter, using too more for loop now
add routing to sankey
seems like to be redundant
add my data loader
sankey's css
update sorting method
add curve line

currently hand-coded, need to make it as a function
change to using cubic bezier
change line color to grey
Merge branch 'sankey' into sankey

Conflicts:
	TODO