[SPDK] Preparation for SPDK 20.01.1 release

Hello all,

Preparation for SPDK 20.01.1 have started, with planned release date of March 20th.
Goal is for it to contain fixes and improvements merged since release of SPDK 20.01.

Please mark any important patches with hashtag "20.01.1" and push backport of such patch to the "v20.01.x" branch.
All patches for consideration to be included in LTS release, should be present in SPDK master branch first.
 
For LTS releases, the backporting process will not be automated.
This is because such process will become increasingly difficult to automate as master and LTS  branches diverge over time.

Link for list of backporting candidates:
https://review.spdk.io/gerrit/q/project:spdk/spdk+branch:master+hashtag:%2220.01.1%22+status:merged

Link for patches outstanding a review on v20.01.x branch:
https://review.spdk.io/gerrit/q/project:spdk/spdk+branch:v20.01.x+status:open

Thanks,
Tomek