Added Regression system to Extending gem5 part#27

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fusiled:regression-system

Commits on May 29, 2018

[Extending gem5 section]
Matteo M. Fusi
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[Regression system] Added part in which is specified where to put the executable + small fix on the destination from which you copy the output in order to generate the reference for the test
Matteo M. Fusi
committed