Add command line options to control elaboration of inline tests

[tmckay-sifive]

Contributor Checklist

• Did you add Scaladoc to every public function/method?
• Did you add at least one test demonstrating the PR?
• Did you delete any extraneous printlns/debugging code?
• Did you specify the type of improvement?
• Did you add appropriate documentation in docs/src?
• Did you request a desired merge strategy?
• Did you add text to be included in the Release Notes for this change?

Type of Improvement

• API modification

Desired Merge Strategy

• Squash: The PR will be squashed and merged (choose this if you have no preference).

Release Notes

• Provide control over when inline tests are elaborated
  • Add --include-tests-module command line argument to enable inline test elaboration for modules matching a glob
  • Add --include-tests-name command line argument to enable inline test elaboration for tests matching a glob
  • Add HasTests.elaborateTests to dynamically enable test elaboration for a module (dynamic per-test elaboration can be done by wrapping calls to test in a conditional block)

Reviewer Checklist (only modified by reviewer)

• Did you add the appropriate labels? (Select the most appropriate one based on the "Type of Improvement")
• Did you mark the proper milestone (Bug fix: 3.6.x, 5.x, or 6.x depending on impact, API modification or big change: 7.0)?
• Did you review?
• Did you check whether all relevant Contributor checkboxes have been checked?
• Did you do one of the following when ready to merge:
  • Squash: You/ the contributor Enable auto-merge (squash) and clean up the commit message.
  • Merge: Ensure that contributor has cleaned up their commit history, then merge with Create a merge commit.

[jackkoenig]

LGTM with 1 tweak

[seldridge]

This is super cool!