Added usage example

inventory

@@ -14,6 +14,14 @@ inventory --list | --host <hostname>
   --list: return YAML compatible JSON inventory of all hosts
   --host <hostname>: return YAML compatible JSON with all variables defined for the given host
 
+=head1 DESCRIPTION
+
+This is a completely useless example of a dynamic inventory, since it just returns the 
+included ini-style inventory, in JSON (or YAML). To test it do:
+
+ $ ansible -i <this file> --list-hosts <ansible host pattern: eg. all> 
+
+
 =cut
 
 
@@ -93,8 +101,8 @@ __DATA__
 
 # Each group represents a role or a location
 # ie.
-[default]
 localhost ansible_connection=local ansible_become=False
+[default]
 pallas.ai.rug.nl   ansible_become=true ansible_ssh_user=remco
 ai17873.ai.rug.nl  ansible_become=true ansible_ssh_user=rwouts
 129.125.5.[1:255]  ansible_become=true
@@ -126,6 +134,7 @@ lwp
 
 [groningen:vars]
 timezone=Europe/Amsterdam
+
 #Nijenbrg
 [5116.315]
 129.125.28.[145:166]
@@ -283,4 +292,3 @@ turing18.housing.rug.nl
 mail.ai.rug.nl
 imap.ai.rug.nl
 www.ai.rug.nl
-