message: Added a bubble chart
diff: /**
  * NAME: pptxgenjs-demo.js
  * AUTH: Brent Ely (https://github.com/gitbrent/)
  -* DATE: Oct 06, 2017
  +* DATE: Oct 14, 2017
  * DESC: Common test/demo slides for all library features
  * DEPS: Loaded by `pptxgenjs-demo.js` and `nodejs-demo.js`
  */
  @@ -1408,6 +1408,27 @@ function genSlides_Chart(pptx) {
  function slide14() {
  var slide = pptx.addNewSlide();
  slide.addTable( [ [{ text:'Chart Examples: Bubble Charts', options:gOptsTitle }] ], { x:0.5, y:0.13, w:12.5 } );
  +
  + var arrDataBubble1 = [
  + { name:'X-Axis', values:[1,2,3,4,5,6,7,8,9,10] },
  + { name:'Y-Value 1', values:[13,20,21,25], sizes:[6,7,8,9] },
  + { name:'Y-Value 2', values:[21,22,25,49], sizes:[2,3,4,5] }
  + ];
  +
  + // TOP-LEFT
  + var optsChartBubble1 = { x:0.5, y:0.6, w:'45%', h:3,
  + valAxisTitle : "Renters",
  + valAxisTitleColor : "428442",
  + valAxisTitleFontSize: 14,
  + showValAxisTitle : true,
  + catAxisTitle : "Last 10 Months",
  + catAxisTitleColor : "428442",
  + catAxisTitleFontSize: 14,
  + showCatAxisTitle : true
  + };
  + slide.addChart( pptx.charts.BUBBLE, arrDataBubble1, optsChartBubble1 );
  +
  +
  }
  // SLIDE 15: Multi-Type Charts ---------------------------------------------------------
  