patch mailman to add a simple question-and-answer CAPTCHA
-rw-r--r-- 30 .gitignore
-rw-r--r-- 262 README.md
-rwxr-xr-x 141 all
-rw-r--r-- 159 ansible.cfg
-rwxr-xr-x 281 do-update
drwxr-xr-x - host_vars
-rwxr-xr-x 162 playall
drwxr-xr-x - roles
-rw-r--r-- 1068 site.yml
-rw-r--r-- 291 upgrade.yml