releng: parent updated to 17-SNAPSHOT
releng: updated NOTICE content according to what discussed on ML
releng: initial README checkin
releng: updated artifactId and project name pattern, the pattern
maven-xxx-plugin is reserved for ASF plugins
reordered POM elements
releng: updated SCM coordinates
releng:
 * s/migration-maven-plugin/migrations-maven-plugin
 * updated site deployment coordinate
releng:
 * added missing legal files in the produced artifact
 * specify the root ${basedir}
releng: initial checkin of Travis CI descriptor
releng: added missing Issues and CI management