Direct CHNG license link to covidcast_licensing instead of directly to (the wrong version of) CC
Direct CHNG license link to covidcast_licensing instead of directly to (the wrong version of) CC

cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata