Rose Bush: display if job log db present.
Amend previous: suite conf or job log db.
Merge pull request #1237 from hjoliver/rose-bush-freedom

Rose Bush: display if job log db present.
Merge pull request #1243 from matthewrmshin/fix-rose-suite-run-file-install

rose suite run: file install and reload improvements
rose suite-run/clean: improve still running diag

This improves the diagnostics message when a suite is still running and
the user attempts to run, restart or clean the suite.