Mentioned a contributor in the release notes (pull request)
Updated the issue number in the test.
REVIEW-1140 Updated description of one of the selection reasons. Some refactoring.

Updated the description to more accurately describe the reason. Refactored some DependencyGraphBuilder code so that it's better structured and easier to test.
REVIEW-1162 Removed not needed fixture method and started using executer.beforeExecute
REVIEW-1162 Improved the abstract dependency resolution test. The libraries from real local maven repo should no longer influence the test results.