[maven-release-plugin] prepare release repo-1.6
[maven-release-plugin] prepare release repo-1.6

maksonlee/repo-plugin,maksonlee/repo-plugin,mikaukora/repo-plugin,jenkinsci/repo-plugin,jenkinsci/repo-plugin,solganik/repo-plugin,Typz/repo-plugin,mikaukora/repo-plugin,Typz/repo-plugin,solganik/repo-plugin