adds rack_row and rack_column, without any check for numeric characters in the row.
adds rack_row and rack_column, without any check for numeric characters in the row.

[git-p4: depot-paths = "//eai/aquilon/aqd/": change = 647936]

stdweird/aquilon,guillaume-philippon/aquilon,guillaume-philippon/aquilon,stdweird/aquilon,quattor/aquilon,stdweird/aquilon,quattor/aquilon,quattor/aquilon,guillaume-philippon/aquilon