update patterns to reflect need for tier-specific named params
working towards a full, multiAZ deployment....
allow to autogenerate passwords
allow to autogenerate passwords (fix)
Add in pattern & ability to do multiAZ
finish merging clidriver.py from master
Merge pull request #36 from robparrott/master

Add in autogenerated passwords
Merge branch 'master' of github.com:huit/nepho
fix regression introduced by typo in password generation code.
Merge branch 'master' of github.com:huit/nepho
fix autoscaler to not assume httpd there.
Merge pull request #37 from robparrott/master

Add multi-AZ capability (and fixes)
Merge branch 'master' of github.com:huit/nepho into mediawiki-poc-dsilverman

Conflicts:
	nepho/data/deployments/mediawiki.yaml
	nepho/data/patterns/common/Resources/Network-Tier.json