Release 4.5.1-RC1
Revert "Release 4.5.1-RC1"

This reverts commit 483ab6a3b31c330cf6f846fba0c1c424a2c15f78.
[maven-release-plugin] prepare release 4.5.1-RC1
[maven-release-plugin] prepare for next development iteration
Automatic merge from branch-4.5

* origin/branch-4.5:
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release 4.5.1-RC1
  Revert "Release 4.5.1-RC1"
  Release 4.5.1-RC1