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

This reverts commit 2422f5e9f42bd1d095ddd1e9912edfd68a665b09.
Revert "[maven-release-plugin] prepare release 0.3.2-SNAPSHOT"

This reverts commit 71ab002ba36a776a3d03a7ba9d53d91678a08c02.