Add C# BitTorrent library if Core support added

[jpsingleton]

https://cheatdeath.github.io/research-bittorrent-doc
https://github.com/cheatdeath/research-bittorrent

Package JonSkeet.MiscUtil for Core? Code not on GitHub, http://jonskeet.uk/csharp/miscutil.
@jskeet

JonSkeet.MiscUtil source code is fine for Core...

@cheatdeath

[jskeet]

I'd personally avoid using JonSkeet.MiscUtil if you can - the code in there is really old, and I haven't been actively maintaining it. Of course, you're welcome to use it should you wish, but you may well want to just rewrite (or copy the code and check it carefully!) for the bits you're using.

[jpsingleton]

OK, thanks @jskeet. I'm not personally using it, but @cheatdeath is. As you say, probably best to use the code, not the package.