Consider cmscp EC 60307 (stageout failure) as recoverable error. Fix exit code and msg in job report from cmscp.
Merge pull request #4573 from AndresTanasijczuk/exitMsg

Consider cmscp EC 60307 (stageout failure) as recoverable error. Fix exit code and msg in job report from cmscp.
Make outtmplfn in RESTFileMetadata optional and give it a default value. Fixes #4574.
Merge pull request #4578 from AndresTanasijczuk/fmd_fix

Make outtmplfn in RESTFileMetadata optional and give it a default value. Fixes #4574.