add a readme file to the top level AContent directory
-rwxr-xr-x 3925 bundle_acontent.sh
drwxr-xr-x - course_category
drwxr-xr-x - documentation
-rw-r--r-- 3628 favicon.ico
drwxr-xr-x - file_manager
-rw-r--r-- 4648 get.php
-rw-r--r-- 1549 get_acheck.php
drwxr-xr-x - home
drwxr-xr-x - images
drwxr-xr-x - include
-rw-r--r-- 979 index.php
drwxr-xr-x - install
drwxr-xr-x - language
-rw-r--r-- 2291 login.php
-rw-r--r-- 978 logout.php
drwxr-xr-x - oauth
-rw-r--r-- 6243 oauth_client.php
-rw-r--r-- 5130 password_reminder.php
drwxr-xr-x - profile
-rw-r--r-- 1644 readme
-rw-r--r-- 3926 register.php
-rw-r--r-- 3094 search.php
-rw-r--r-- 1323 svn.php
drwxr-xr-x - system
drwxr-xr-x - tests
drwxr-xr-x - themes
drwxr-xr-x - translation
drwxr-xr-x - updater
drwxr-xr-x - user