Added remote templating engine using jinja2, see examples/playbook.yml for usage.

Cleanup is due in runner.py

README.md

@@ -39,9 +39,13 @@ Requirements
 For the server the tool is running from, *only*:
 
     * python 2.6 -- or the 2.4/2.5 backport of the multiprocessing module
-    * PyYAML (if using playbooks)
+    * PyYAML (install on 'overlord' if using playbooks)
     * paramiko
 
+Optional -- If you want to push templates, the nodes need:
+
+    * python-jinja2 
+
 Inventory file
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