Bar graph added.

node_modules/gauge/base-theme.js

@@ -0,0 +1,14 @@
+'use strict'
+var spin = require('./spin.js')
+var progressBar = require('./progress-bar.js')
+
+module.exports = {
+  activityIndicator: function (values, theme, width) {
+    if (values.spun == null) return
+    return spin(theme, values.spun)
+  },
+  progressbar: function (values, theme, width) {
+    if (values.completed == null) return
+    return progressBar(theme, width, values.completed)
+  }
+}