Images: Export attributes for plotSchema creation

Author: mdtusz

src/components/images/index.js

@@ -11,9 +11,11 @@
 
 var draw = require('./draw');
 var supplyLayoutDefaults = require('./defaults');
+var attributes = require('./attributes');
 
 
 module.exports = {
     draw: draw,
+    layoutAttributes: attributes,
     supplyLayoutDefaults: supplyLayoutDefaults
 };

src/plots/layout_attributes.js

@@ -182,6 +182,7 @@ module.exports = {
         'legend': 'Legend',
         'annotations': 'Annotations',
         'shapes': 'Shapes',
+        'images': 'Images',
         'ternary': 'ternary'
     }
 };