make full-monty use the AZ params
cleanup
merge white space differences
update to 2013.3.1 images
make sure that the Tier 2 knows about the ucket too.
back to a general mediawiki.yaml
remove duplicate az decalration
remove AZ param declarations where not used/expected.
Merge pull request #42 from robparrott/master

Merge in consolidated fixes from Rob's branch