Periodic Snapshot - bug fix, new functionality, portability

Some bug fixes and new functionality:

• Fix problem with file-per-rank input assigning incorrect node ownership
• Change aprepro default output format to full precision
  • Added legacy_output_format() function and --legacy_output_format command line format to use legacy format instead.
  • Cleaned up aprepro help/usage output
• Various analyzer recommended changes
• Windows portability fixes.

What's Changed

Full Changelog: v2025-02-27...v2025-03-13