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

This reverts commit a7a410522a18bed73f4e66c484902fca59af0991.
Revert "[maven-release-plugin] prepare release thymeleaf-spring3-2.1.3.RELEASE"

This reverts commit d7d416db6acb618646c353d9bae478a67eda8663.
Updated maven release plugin to 2.4.2 in order to support multi-folder release