Update README.md

* link to doc.supybot.aperio.fr
* use SSL with IRC links
* link to homepages of freenode/oftc instead of having IRC links to
networks without channels which just confuse users
Anonymous: fix config help for allowPrivateTarget

I am again unsure of my wordings, so if someone could check them, that
would be nice.
Disable log.stdout.wrap by default

It causes more issues than it solves. The output might break if you
resize the terminal and it can make logs harder to read.
Merge pull request #853 from nyuszika7h/disable-log-wrap

Disable log.stdout.wrap by default
Channel: Let ops see nicks in a private channel. Closes GH-797.
Merge pull request #829 from Mkaysi/readme

Update README.md
Merge pull request #851 from Mkaysi/anonymous

Anonymous: fix config help for allowPrivateTarget