Merge branch 'drag-drop-cursor' into 'master'

Milestone drag & drop cursor

Fixes #4097 

![grab-cursor](/uploads/f5071d7e4839c3b4b88c9f7f1270eee3/grab-cursor.gif)

cc @jschatz1 @creamzy 

See merge request !2532

app/assets/stylesheets/framework/jquery.scss

@@ -53,3 +53,14 @@
     color: #333;
   }
 }
+
+.ui-sortable-handle {
+  cursor: move;
+  cursor: -webkit-grab;
+  cursor: -moz-grab;
+
+  &:active {
+    cursor: -webkit-grabbing;
+    cursor: -moz-grabbing;
+  }
+}