added output to make_wateright cmd

[shimwell]

Proposed changes

Prints out the results of the make_watertight command so that the quality of the geometry can be inspected in the terminal as requested by @billingsley-john

Types of changes

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Code refactoring
• [ ] Documentation Update (if none of the other choices apply)
• [ ] New tests

Checklist

• [ ] Pep8 applied
• [ ] Unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)

[shimwell]

tests are failing due to a nuclear data problem. Nothing todo with this PR