Avoid usage of unchecked exception in XMvnJavadocEcecutionListener
Avoid warning about unchecked cast in IsolatedXMvnServiceLocator
Improve javadocs for Artifact interface
Mark dummy artifacts as deprecated
Fix a typo in GlobUtils
Fix a typo in method name in SystemIndex
Improve MetadataReader logging
[refactor] Remove createEffectivePackagingRule() from Configuration
[refactor] Move EffectivePackagingRule to installer
[test] Refactor InstallerTest

- Create mocks with EasyMockRunner and don't use deprecated
  EasyMock methods
- Normalize artifact coordinates used
[test] Extract AbstractInstallerTest as common base class
Fix discovering of Eclipse dropins

Thanks to Roland Grunbuerg for discovering this and providing a patch.