[maven-release-plugin] copy for tag getdown-1.7.1

[maven-release-plugin] copy for tag getdown-1.7.0

[maven-release-plugin] copy for tag getdown-1.6.4

[maven-release-plugin] copy for tag getdown-1.6.3

[maven-release-plugin] copy for tag getdown-1.6.2

[maven-release-plugin] copy for tag getdown-1.6.1

[maven-release-plugin] copy for tag getdown-1.6

Tagged docs for 1.5 release.

[maven-release-plugin] copy for tag getdown-1.5

Tagged docs for 1.4 release.