Running from command-line plus improved README.

Salut Marco!

Glad to see you at 24PR :-)

This approach is not only fun, it can be used for paraphrasing in QA (among other things):

Duboue&Chu-Carroll (2006) Answering the question you wish they had asked: The impact of paraphrasing for Question Answering. HLT-NAACL Short Papers.
http://www.aclweb.org/anthology/N/N06/N06-2009.pdf

In that paper we found that using multiple MT engines greatly improved the paraphrasing power. I wonder which other MT API can be added to arab-phone. Maybe for another PR ;)

On doit de boire une bière un de ces jours!

A+