[maven-release-plugin] copy for tag async-http-client-1.6.4

[maven-release-plugin] copy for tag async-http-client-1.6.3

[maven-release-plugin] copy for tag async-http-client-1.6.2

[maven-release-plugin] copy for tag async-http-client-1.6.1

[maven-release-plugin] copy for tag async-http-client-1.6.0

[maven-release-plugin] copy for tag async-http-client-1.5.0

[maven-release-plugin] copy for tag async-http-client-1.4.1

[maven-release-plugin] copy for tag async-http-client-1.4.0

[maven-release-plugin] copy for tag async-http-client-1.3.4.GA

[maven-scm] copy for tag async-http-client-1.3.3