add open office 2015 style updates

Author: etpinard

shelly/plotlyjs/static/plotlyjs/src/plotly.js

@@ -62,3 +62,8 @@ exports.Queue = require('./queue');
 
 // exports d3 used in the bundle
 exports.d3 = require('d3');
+
+// custom styling injected via envify/uglifyify
+if(process.env.PLOTLY_CUSTOM_STYLE === "open-office-2015") {
+    require('./styles/open_office_2015')();
+}

shelly/plotlyjs/static/plotlyjs/src/styles/open_office_2015.js

@@ -0,0 +1,13 @@
+'use strict';
+
+var Plotly = require('../plotly');
+
+module.exports = function updateStyle() {
+    Plotly.Color.defaults = [
+        '#CC0000', '#5E6A71', '#BBDDE7', '#55aab2', '#a4b0b7'
+    ];
+
+    Plotly.Plots.layoutAttributes.font.family.dflt = '"Overpass", verdana, arial, sans-serif';
+
+    Plotly.Plots.fontWeight = 900;
+};