Unit tests for completion and verification added. Unit tests more robust
Changes to support Unit Testing.

1. Don't allow DIERR to leak back to DBS Fileman calls from failed mailman calls.
2. Don't ask questions if we are inside of the DBS (signified by the ST
variable DIFM).
3. NPM/ESS transactions now go to G.A1AE PACKAGE
RELEASE@FORUM.OSEHRA.ORG instead of ESSRESOURCE@MED.VA.GOV.