Switch notifications from tipsy to custom, add tipsy tooltips to menu bar icons, and refactor graph_obj.js
Switch notifications from tipsy to custom, add tipsy tooltips to menu bar icons, and refactor graph_obj.js

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