Allow a single child and preserve parents data in MultiFileUnixCommandPlace

[cfkoehler]

No description provided.

[jpdahlke]

Need to confirm how the different child creation scenarios handle copy-down of parameters

[cfkoehler]

Need to confirm how the different child creation scenarios handle copy-down of parameters

The parent Information is copied down to children:

emissary/src/main/java/emissary/place/MultiFileUnixCommandPlace.java

Line 544 in a3030ee

addParentInformation(tData, entries);