add hoverable property to component objects

src/commands/view/SelectComponent.js

@@ -274,7 +274,7 @@ module.exports = {
     var $el = $(el);
     var model = $el.data('model');
 
-    if(!model || (model && model.get('status') == 'selected')) {
+    if(!model || !model.get("hoverable") || model.get('status') == 'selected') {
       return;
     }
 

src/dom_components/model/Component.js

@@ -62,6 +62,9 @@ module.exports = Backbone.Model.extend(Styleable).extend({
     // Hide the component inside Layers
     layerable: true,
 
+    // Shows a highlight outline when hovering on the element if true
+    hoverable: true,
+
     // This property is used by the HTML exporter as void elements do not
     // have closing tag, eg. <br/>, <hr/>, etc.
     void: false,