Revert "Revert "Bump release version to 4.3.2-SNAPSHOT and add empty db upgrade path""

The revert was an error, sorry about that.
  - Rohit

This reverts commit 0aba9654f8de2f1c648b775050bc0ab70764d81e.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>