Last saved based off of last modified file in project.
Writing tests for last saved metadata for projects.
Last saved works by checking all files within project.
last_saved metadata based off of modified timestamp of _settings.cfg project file.
Finished test. Bug is fixed.
Merge remote-tracking branch 'upstream/dev' into fix-last-modified-stamp
Merge branch 'fix-last-modified-stamp' of https://github.com/crobinsonut/OpenMDAO-Framework into fix-last-modified-stamp
Merge pull request #1439 from crobinsonut/fix-last-modified-stamp

Fix last modified stamp