Use __default as an alias for main package
Add back installerSettings/debug to default configuration
Add back support for native artifacts
Fix installation of native artifacts
Implement more reliable resolver CLI interface
Prefix all metadata file names with package name

This helps making the names globally unique and avoding file
conflicts.
Really prefix all metadata file names
[test] Update tests to the new metadata file naming scheme
Remove unneeded constructor in ResolutionRequest
Implement xmvn-resolve --raw-request option
Release version 2.0.0
Prepare for next development iteration