Merge remote-tracking branch 'origin/develop' into feature/remove_mootols

Conflicts:
	mindplot/src/main/javascript/widget/LinkIconTooltip.js
	wise-webapp/src/main/webapp/jsp/mindmapExport.jsp

mindplot/src/main/javascript/Designer.js

@@ -510,6 +510,11 @@ mindplot.Designer = new Class({
             if(borderColor){
                 targetModel.setBorderColor(borderColor)
             }
+
+            var backgroundColor = sourceModel.getBackgroundColor();
+            if(backgroundColor){
+                targetModel.setBackgroundColor(backgroundColor)
+            }
         },
 
         _createChildModel:function (topic, mousePos) {

mindplot/src/main/javascript/widget/LinkIconTooltip.js

@@ -62,7 +62,7 @@ mindplot.widget.LinkIconTooltip = new Class({
         });
 
         var img = $('<img>')
-            .prop('src', 'http://immediatenet.com/t/m?Size=1024x768&URL=' + linkIcon.getModel().getUrl())
+            .prop('src', 'https://api.thumbalizr.com/?url=' + linkIcon.getModel().getUrl() + '&width=250')
             .prop('img', linkIcon.getModel().getUrl())
             .prop('alt', linkIcon.getModel().getUrl());