Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 6e1cbff625070ea1a1c48a87f8f2988dfe4e9078.
Revert "[maven-release-plugin] prepare release 0.3.2"

This reverts commit 2ebf852d8fed65aefb28c82b870f72debdcae361.