Reformat and use stripMargin() instead of stripIndent().

[maven-release-plugin] copy for tag 6.2.0

[maven-release-plugin] copy for tag 6.1.0

[maven-release-plugin] copy for tag 6.0.2

[maven-release-plugin] copy for tag 6.0.1

[maven-release-plugin] copy for tag 6.0.0

[maven-release-plugin] copy for tag 5.7.1

[maven-release-plugin] copy for tag 5.7.0

[maven-release-plugin] copy for tag 5.6.1

[maven-release-plugin] copy for tag 5.6.0