some delay tweaks
some delay tweaks

ContinuumIO/nbpresent,Anaconda-Server/nbpresent,Anaconda-Server/nbbrowserpdf,Anaconda-Server/nbbrowserpdf,ContinuumIO/nbpresent,Anaconda-Server/nbpresent,Anaconda-Server/nbbrowserpdf,Anaconda-Server/nbpresent,ContinuumIO/nbpresent