chore: make greenkeeper ignore d3 (#2108)
chore: make greenkeeper ignore d3 (#2108)


c3js/c3,alanhamlett/c3,c3js/c3,Aloomaio/c3,Aloomaio/c3,alanhamlett/c3,c3js/c3,c3js/c3,masayuki0812/c3,masayuki0812/c3,alanhamlett/c3