[tor-reports] George's status report: February 2017

[George Kadianakis]

# Activities of February 2017

- Revised prop224 HS descriptor code to implement the double-layer encryption
  and conform to the latest spec version (#21334).

- Refactored the HS circuitmap subsystem to accept both service-side and
  relay-side circuits (#20657)

- Wrote a submodule that implements the HS time period logic from prop224 (#20657)

- Started writing a submodule that implements the full HS ntor handshake (#20657).
  Also did some spec improvements on this topic:
   https://lists.torproject.org/pipermail/tor-dev/2017-February/011947.html

- Did lots of debugging and bug fixing to the new guard algorithm (#21128,
  #21129, #21052, #21027, #21415) and fixed a bug in our SRV code (#21586).