Changing were dashboard looks for input files based on recent changes in how OpenMDAO saves reports

[hschilling]

Summary

OpenMDAO recently changed the directory structure of the reports it generates. The Aviary dashboard gets its inputs from files in the reports directory. The code needed to be updated to look in the correct location.

Also made greater use of the pathlib library when creating paths.

Changed one tab so that it reports any problems in its generation in the tab rather than a warning to the command line.

Related Issues

• Resolves Change the dashboard code to use the new locations for the reports and other output files in OpenMDAO #586

Backwards incompatibilities

Dashboard will not work if the reports are still in the old location of the reports in previous versions of OpenMDAO.

New Dependencies

None

[crecine]

Would it be possible to have this check both paths? We could prioritize the new method, but if we don't support the old openMDAO path, we will have to increment the minimum version.