K 10
svn:author
V 4
ngie
K 8
svn:date
V 27
2017-10-22T21:00:59.880977Z
K 7
svn:log
V 224
Create GCNOS directories at install time if needed

Add GCNOS{GRP,MODE,OWN} for parity with FILES{GRP,MODE,OWN}. The defaults are
based on BIN{GRP,MODE,OWN}.

GCNOSDIRMODE is added, strictly for configurability, if need be.

END