Added to heroku directions.
Added to heroku directions.
thomasyu888/nbviewer,twosigma/beaker-sharing-server,imsparsh/nbviewer,franblas/beaker-sharing-server,twosigma/beaker-sharing-server,christophelec/nbviewer,bollwyvl/nbviewer,iamjakob/nbviewer,twosigma/beaker-sharing-server,roxyboy/nbviewer,christophelec/nbviewer,AlfiyaZi/nbviewer,roxyboy/nbviewer,AlfiyaZi/nbviewer,franblas/beaker-sharing-server,Sage-Bionetworks/nbviewer,Jay-Oh-eN/nbviewer,twosigma/beaker-sharing-server,Sage-Bionetworks/nbviewer,thomasyu888/nbviewer,bollwyvl/nbviewer,iamjakob/nbviewer,Jay-Oh-eN/nbviewer,franblas/beaker-sharing-server,franblas/beaker-sharing-server,imsparsh/nbviewer