Merge pull request #8 from stefanomarty/master

stefanomarty signed cla

contributors/stefanomarty.md

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+2015-08-16
+
+I hereby agree to the terms of the Contributors License
+
+I furthermore declare that I am authorized and able to make this
+agreement and sign this declaration.
+
+Signed,
+
+Stefano Martinelli https://github.com/stefanomarty