obfsproxy: logging should be smarter
Logging in obfsproxy is not really sophisticated. We should improve it.
Example:
[warn] Connection error: Connection refused
[warn] Connection error: Connection timed outthese should specify which connection closed.
(Also, #5079 (closed) and #5069 (closed).)
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information