[MNG-3494] Fixed a bug I introduced with the last commit. All ITs run now, and I've improved the unit test to make sure that bug doesn't reappear.
maven/components/branches/maven-2.0.x/maven-project/src/main/java/org/apache/maven/project/inheritance/DefaultModelInheritanceAssembler.java
maven/components/branches/maven-2.0.x/maven-project/src/test/resources/inheritance-repo/t13/repo/tests/test-from-child/0.5/