edited hosts template to allow for vendor overrid/addition of named hosts to hosts file.

templates/etc.hosts.j2

@@ -6,8 +6,16 @@
 
 {{ ansible_default_ipv4.address }}  {{ ansible_hostname }}.{{ domain }} {{ ansible_hostname }}
 
-{% if not vendors_hosts is none %}
-    {% for item in vendors_hosts %}
+{# note: below block takes a list of ip -> name mappings
+   applying them to the hosts file should the variable be
+   populated.
+#}   
+{% if vendors_hosts %}
+#***      Vendor Additional Host Entries           ***#
+
+{% for item in vendors_hosts %}
 {{ item.ip }}     {{ item.name }}
-    {% endfor %}
+{% endfor %}
+
+#***      END Vendor Additional Host Entries       ***#
 {% endif %}