Upgrade typescript to 2.4 and ts-node to 3.1 (#6551)
Upgrade typescript to 2.4 and ts-node to 3.1 (#6551)


dennisobrien/bokeh,rs2/bokeh,ericmjl/bokeh,philippjfr/bokeh,bokeh/bokeh,stonebig/bokeh,timsnyder/bokeh,stonebig/bokeh,stonebig/bokeh,ericmjl/bokeh,jakirkham/bokeh,jakirkham/bokeh,DuCorey/bokeh,rs2/bokeh,DuCorey/bokeh,Karel-van-de-Plassche/bokeh,mindriot101/bokeh,aavanian/bokeh,aavanian/bokeh,bokeh/bokeh,Karel-van-de-Plassche/bokeh,philippjfr/bokeh,dennisobrien/bokeh,DuCorey/bokeh,philippjfr/bokeh,dennisobrien/bokeh,Karel-van-de-Plassche/bokeh,rs2/bokeh,timsnyder/bokeh,dennisobrien/bokeh,timsnyder/bokeh,philippjfr/bokeh,aavanian/bokeh,timsnyder/bokeh,DuCorey/bokeh,rs2/bokeh,bokeh/bokeh,ericmjl/bokeh,dennisobrien/bokeh,philippjfr/bokeh,bokeh/bokeh,ericmjl/bokeh,ericmjl/bokeh,bokeh/bokeh,Karel-van-de-Plassche/bokeh,jakirkham/bokeh,aavanian/bokeh,mindriot101/bokeh,aavanian/bokeh,mindriot101/bokeh,Karel-van-de-Plassche/bokeh,jakirkham/bokeh,DuCorey/bokeh,mindriot101/bokeh,rs2/bokeh,jakirkham/bokeh,stonebig/bokeh,timsnyder/bokeh