[ANNOUNCE] New Apache Ambari committers: Billie Rinaldi, Nate Cole, and Siddharth Wagle

[Yusaku Sako]

Hi all,

On behalf of the Apache Ambari PMC, I am excited to announce Billie
Rinaldi, Nate Cole, and Siddharth Wagle as new committers.
Welcome Billie, Nate, and Sid!

Yusaku