Comment 8 for bug 1498186

Reviewed: https://review.fuel-infra.org/12903
Submitter: Vitaly Sedelnik <email address hidden>
Branch: openstack-ci/fuel-7.0/2015.1.0

Commit: f6ec58b3d39b3acf871b71fd4267f6750f56eb39
Author: Stan Lagun <email address hidden>
Date: Fri Oct 16 12:46:30 2015

Use helper method in Parallel macro

There is a helper method to do parallel execution that
handles a bug in eventlet library. But Parallel macro was
using its own implementation. Now both pselect function
and Parallel macro has common implementation.

Change-Id: I06f1b1d66672707d5f3bc7934bfcbc1580686529
Closes-Bug: #1498186