hpcc-systems/HPCC-Platform — pull request #3121 by garonsky (2012-08-13 21:23:25+00:00)
Title: gh-3094 Fix Configmgr - Writing modified optional attributes reverts their value

- Add check to ensure that when writing optional attributes to the
environment that the modified value is used and not the default value.

Signed-off-by: Gleb Aronsky