apache/maven — pull request #34 by Tibor17 (2014-12-30 22:55:31+00:00)
Title: Improved visibility of collections and variables across multiple threads

Upon our discussion with Karl in
http://maven.40175.n5.nabble.com/Maven-Commit-3b671d07340b002e13775883d09e7f7e0d9a3c49-td5821660.html
i have improved MavenProject.java and surrounding code.