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

This reverts commit 9772d85c6f3893d42044f4bab0e16f8b6287613a.
Revert "[maven-release-plugin] prepare release v1.0.0-rc4"

This reverts commit 3d0a44833ab50360bf9feccc861cb5e8c44a4866.
BUILD: Add more content to make-distribution.sh.