PR #1576 -- Fixes issue of trying to flow data when there is no data to start (gh-1235)
PR #1576 -- Fixes issue of trying to flow data when there is no data to start (gh-1235)

c3js/c3,naver/billboard.js,naver/billboard.js,masayuki0812/c3,alanhamlett/c3,EspadaV8/c3,masayuki0812/c3,alanhamlett/c3,naver/billboard.js,aendrew/c3,c3js/c3,naver/billboard.js,EspadaV8/c3,alanhamlett/c3,hds-lab/c3,missingdays/c3,aendrew/c3,c3js/c3,GerHobbelt/c3,hds-lab/c3,Aloomaio/c3,Aloomaio/c3,c3js/c3,GerHobbelt/c3,missingdays/c3