Update README.md

Author: mkhaled87

README.md

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 ![pFaces](https://github.com/parallall/pFaces/blob/master/pfaces_title.png?raw=true)
 
 pFaces is a generic Cloud-ready, multi-compute-platform accelerator for parallel algorithms. pFaces is a commertial acceleration ecosystem that runs on many compute platform, from embedded systems to clusters in the Cloud. Here, we provide here a demo version of pFaces with limited functionalities so that developers and interested users can prototye their codes before launching it in the full version of pFaces.