As a healthy starting point, remove the Tanenbaum quote.

SSL is bad enough, no need to intimidate folks before they
even set out.
Remove out-dated references to books and authors.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1328169 13f79535-47bb-0310-9956-ffa450edef68