[Announcement] New Committer - Jeremie Desgagne-Bouchard

[Sheng Zha]

Hi all,

Please join me in welcoming Jeremie Desgagne-Bouchard as a new committer of 
Apache MXNet (incubating)!

Jeremie has been a core contributor to the R binding of MXNet and has been a 
great help to the R
community in MXNet.

Welcome, Jeremie!

-sz