hpcc-systems/HPCC-Platform — pull request #4031 by jakesmith (2013-02-28 18:43:18+00:00)
Title: HPCC-8890 - Avoid early abort losing original error

An early error from slave to master, caused graph execution
code to spot the abort condtion and fire a new spurious error,
losing the original.

Also add a better mechanism to abort in-flight receivers.

Signed-off-by: Jake Smith