[SPARK-4920][UI] add version on master and worker page for standalone mode

Author: Zhang, Liye <liye.zhang@intel.com>

Closes #3769 from liyezhang556520/spark-4920_WebVersion and squashes the following commits:

3bb7e0d [Zhang, Liye] add version on master and worker page

(cherry picked from commit 9077e721cd36adfecd50cbd1fd7735d28e5be8b5)
Signed-off-by: Josh Rosen <joshrosen@databricks.com>