HADOOP-11186: documentation should talk about hadoop.htrace.spanreceiver.classes, not hadoop.trace.spanreceiver.classes (cmccabe)
(cherry picked from commit c2575fb046bb8fab73ee9c55e0ce65d4d0df75d0)
YARN-2769. Fixed the problem that timeline domain is not set in distributed shell AM when using shell_command on Windows. Contributed by Varun Vasudev.

(cherry picked from commit 72496311def320987c31822776e8fbb73dfcc726)