Checks whether milestone folders exist, create them if needed, and check whether folders are not empty. Only done for part 1 to 5 and not part 6, which is different and handled inside g.part6.
checkMilestoneFolders(metadatadir, partNumber)
No value is produced
Character, path to root of outputfolder.
Numeric, number from the set 2, 3, 4 or 5.
Vincent T van Hees <v.vanhees@accelting.com>