Add Tor-Library

[ligi]

https://github.com/jehy/Tor-Onion-Proxy-Library

[ligi]

had multiple problems with the above lib and it was not maintained for long time - trying this lib as alternative: https://github.com/guardianproject/NetCipher

[ligi]

another option might be https://gitweb.torproject.org/tor-android-service.git