o Extracting basedir from the project instance when PluginParameterExpressionEvaluator is init'ed if project != null...otherwise, using ${user.dir} from sysprops.
o Extracting values for resolution from POM properties before POM instance during POM interpolation, and adding checks to guard against self-reference of POM elements.
o Added three ITs (one contra) to test these resolutions.
git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@291735 13f79535-47bb-0310-9956-ffa450edef68
John Dennis Casey