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

This reverts commit 02cbd7548399826b58d0b835426c053a6a2e0fd4.
Revert "[maven-release-plugin] prepare release 0.2.0"

This reverts commit 88ea71c4700a22d9511bac7c6240fe4a2af5bbd4.