big cleanup - remove Permissions.jar (obselete), remove unused imports, fix a bunch of warnings (suppress "unchecked" where deliberate, remove some unused variables), declare final variables per Eclipse
clean up test code - implement new methods in our fake classes
minor - remove debug message and add comment to performDrop debug message
attempt to improve substituteAlias() matching without changing the result if we don't get a match (not yet working)
Merge pull request #1 from Zarius/v2Refactor

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