openssh: PermitRootLogin: without-password comment

It's useful, but we still default to the more secure "no".
Merge pull request #39 from fxkr/openssh-permitrootlogin-without-password

openssh: PermitRootLogin: no -> without-password
Remove curve25519-sha256@libssh.org for now

It did not make it in the last OpenSSH release,
we will re-add it with the next release, together with
chacha20-poly1305@openssh.com, ssh-ed25519,
ssh-ed25519-cert-v01@openssh.com and others.
Merge pull request #43 from ax3l/fix-openSSH64kex

Remove curve25519-sha256@libssh.org for now
add openssh section for debian wheezy/openssh6.0
fix intendation in openssh section
remember topics we said in the meeting
RNGs.tex already had moved to src/theory/ . Remove outdated version in src/
DBs.tex still had a hardcoded cipherstring B text and no @@@CIPHERSTRINGB@@@ macro!
This was wrong. If we decide to use cipherstring B everywhere, then we need to also do it here.
added todo to lighttpd (ec curve selection and dh parameters file)
fixed underscore in url
the last _ fix did not fix it. Add a \url and escape #
added tested versions and harmonized references to Debian Versions (Wheezy makes more sense than 7.0 or 7.3)
Merge pull request #44 from mathisdt/master

added tested versions and harmonized references to Debian Versions
correction for F.Mendel's association: it is A-Sit and IAIK.
Added a tools to check for mixed SSL on your website
Added very experimental TXT export
note about feedback: explain compression
Merge branch 'master' of https://git.bettercrypto.org/ach-master
rename TODO.txt to TODO.md so that it is easier to read on github