DC - added generic ansible.cfg and put more example output in the README for inventories

Section1/ansible.cfg

+# My own config file, thank goodness!
+
+[defaults]
+
+host_key_checking = False
+stdout_callback = yaml
+
+inventory = hosts
+
+nocows = True

Section1/inventories/README.md

@@ -9,9 +9,51 @@ You can verify any of them as valid inventories with
 An example command line is...
 
 ```
-ansible-inventory --graph -i hosts.ini
+$ ansible-inventory --graph -i hosts_with_variables.ini
+@all:
+  |--@all_servers:
+  |  |--@dbservers:
+  |  |  |--db1_dublin
+  |  |  |--db2_dublin
+  |  |--@webservers:
+  |  |  |--web1_dublin
+  |  |  |--web2_dublin
+  |--@ungrouped:
+  |  |--loadbalancer1
+  |  |--veos
 ```
 
 ## Inventory variables
-If you want to see the inventory variables too, you
-will need to add ``--vars`` to the command line.
+If you want to see the inventory variables too, you will need to add ``--vars`` to the command line.
+
+```
+$ ansible-inventory --graph -i hosts_with_variables.ini --vars
+@all:
+  |--@all_servers:
+  |  |--@dbservers:
+  |  |  |--db1_dublin
+  |  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |  |--{ansible_user = zork}
+  |  |  |--db2_dublin
+  |  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |  |--{ansible_user = zork}
+  |  |--@webservers:
+  |  |  |--web1_dublin
+  |  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |  |--{ansible_user = nginx_test}
+  |  |  |--web2_dublin
+  |  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |  |--{ansible_user = nginx_test}
+  |  |  |--{ansible_user = nginx_test}
+  |--@ungrouped:
+  |  |--loadbalancer1
+  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |--{ansible_user = zork}
+  |  |--veos
+  |  |  |--{ansible_host = localhost}
+  |  |  |--{ansible_port = 9022}
+  |  |  |--{ansible_ssh_pass = swordfish}
+  |  |  |--{ansible_user = zork}
+  |--{ansible_ssh_pass = swordfish}
+  |--{ansible_user = zork}
+```