Clean up notebook HTML slightly
Clean up notebook HTML slightly

natefaubion/slamdata,zeeiyerWork/slamdata,puffnfresh/slamdata,wemrysi/slamdata,wemrysi/slamdata,jonsterling/slamdata,natefaubion/slamdata,zeeiyerWork/slamdata,natefaubion/slamdata,sellout/slamdata,cryogenian/slamdata,mossprescott/slamdata,mossprescott/slamdata,beckyconning/slamdata,drostron/slamdata,shujuwen2013/slamdata,shujuwen2013/slamdata,drostron/slamdata,puffnfresh/slamdata,beckyconning/slamdata,sellout/slamdata,cryogenian/slamdata,jonsterling/slamdata