Changes to photo capture code

photoedits.js

    this.getBase64Image = function getBase64Image(img) {
      // Create an empty canvas element
      var canvas = document.createElement("canvas");
      canvas.width = img.width;
      canvas.height = img.height;

      // Copy the image contents to the canvas
      var ctx = canvas.getContext("2d");
      ctx.drawImage(img, 0, 0);

      // Get the data-URL formatted image
      // Firefox supports PNG and JPEG. You could check img.src to
      // guess the original format, but be aware the using "image/jpg"
      // will re-encode the image.
      var dataURL = canvas.toDataURL("image/png");

      return dataURL;
//      return dataURL.replace(/^data:image\/(png|jpg);base64,/, "");
    }

    this.downloadURI = function downloadURI(uri, name) {
      var link = document.createElement("a");
      link.download = name;
      link.href = uri;
      link.click();
    }