Sync with Kendo UI Professional

Author: Kendo Bot

src/kendo.dialog.js

@@ -1142,7 +1142,7 @@
                 "</div>"
             ),
             close: template("<a role='button' href='\\#' class='k-button k-bare k-button-icon k-window-action k-dialog-action k-dialog-close' title='#: messages.close #' aria-label='#: messages.close #' tabindex='-1'><span class='k-icon k-i-close'></span></a>"),
-            actionbar: template("<div class='k-button-group k-dialog-buttongroup k-dialog-button-layout-#: buttonLayout #' role='toolbar' />"),
+            actionbar: template("<div class='k-dialog-buttongroup k-dialog-button-layout-#: buttonLayout #' role='toolbar' />"),
             overlay: "<div class='k-overlay' />",
             alertWrapper: template("<div class='k-widget k-window k-dialog' role='alertdialog' />"),
             alert: "<div />",