List of Metaconfiguration Strings

 MetaTargetName: [...]                  invokes a nrg discover script
 ConfFiles: [file or shell glob]        specifies .conf files
 HashBucketSize: [integer]              specifies a hash-bucket subdirectory
                                        subsequent metatargets
 BucketMconfTargets: [yes|no]           specifies that targets should should
                                        or shouldn't have their own 
                                        subdirectory
 Directory: [subdir]                    specifies a subdirectory for 
                                        subsequent metatargets
 RunScript: [none|some nrg run script]  specifies which run script does
                                        data collection for subsequent
                                        metatargets