update test_dashboard server file (re-use watch_plotly.js!)
update test_dashboard server file (re-use watch_plotly.js!)

iongroup/plotly.js,aburato/plotly.js,iongroup/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,aburato/plotly.js,plotly/plotly.js,plotly/plotly.js,iongroup/plotly.js,plotly/plotly.js