Add a markdown copy of inc/legalities.md

Reviewed-by: Anton Arapov <[email protected]>
Reviewed-by: Tomas Vavra <[email protected]>
(Merged from openssl#430)

Author: levitte

inc/legalities.md

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+## Legalities
+
+Please remember that export/import and/or use of strong
+cryptography software, providing cryptography hooks, or even just
+communicating technical details about cryptography software is
+illegal in some parts of the world. So when you import this
+package to your country, re-distribute it from there or even
+just email technical suggestions or even source patches to the
+authors or other people you are strongly advised to pay close
+attention to any laws or regulations which apply to
+you. The authors of OpenSSL are not liable for any violations
+you make here. So be careful, it is your responsibility.