inherit assembly configuration from parent

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1432167 13f79535-47bb-0310-9956-ffa450edef68
include NOTICE in top directory of the war

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1432168 13f79535-47bb-0310-9956-ffa450edef68