Removed stray single quote from js_events.py
Removed stray single quote from js_events.py

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