{branch(1.0.0-SNAPSHOT),trunk(1.0.2-SNAPSHOT),Maven Remote Repository(Nexus),trunk(1.0.0-SNAPSHOT),deploy(1.0.1),release(1.0.1),trunk(1.0.1-SNAPSHOT),branch,merge back to trunk,deploy(1.0.1-SNAPSHOT) ,developer coding,deploy(1.0.0-SNAPSHOT)
if need to work with other project ,tags(1.0.1),unchanged
or changed by other dev}
