ChaCha20 and Poly1305 for wolfSSL TLS

Hi!  We`ve scheduled ourselves to implement ChaCha20 and Poly1305 into wolfSSL this summer.  If you`re learning about what these are, see these links:

http://cr.yp.to/mac.html

https://www.imperialviolet.org/2013/10/07/chacha20.html

We`re excited about this addition to our code.  If you have comments, questions, or need it in our code sooner than this summer, then let us know!  We can be reached at facts@wolfssl.com or by phone at +1 425 245 8247.