Removing ICSI notary from default site config.

This should not have been in there in the first place.
Merge remote-tracking branch 'origin/fastpath'

* origin/fastpath:
  IANA assigned a couple of new tls extension numbers
  add 3 more really new ciphers.
Improve Broxygen end-of-sentence detection.

This is used to display short summaries for things based on the first
sentence in the comments for it, but wouldn't work well when e.g. a
filename is used there.