DOS in Apache
reviwed by Alan
added a new b.post
content: Rename troon's post to have more succint title

Signed-off-by: Alan Orth <alan.orth@gmail.com>
content: Use lowercase tags in troon's Apache post

Signed-off-by: Alan Orth <alan.orth@gmail.com>
content/images: Interlace PNG files to reduce size

Using imagemagick, ie:

    convert -interlace Line content/images/accesslog.png content/images/accesslog.png

Signed-off-by: Alan Orth <alan.orth@gmail.com>
content/ansible-shellshock.md: New post

Add new post about updating hosts with Ansible to mitigate bash
"Shellshock" vulnerability.

Signed-off-by: Alan Orth <alan.orth@gmail.com>