U docs to v1.6.1

U docs to v1.6.1

Update build.gradle

Update README.md

Merge branch 'master' of https://github.com/fvarrui/JavaPackager

U released v1.4.2

U v1.4.1

U v.1.4.0

U v1.3.1-SNAPSHOT

A javapackager extension and default package task