move s3 test deployment file back into place.
refactor data dirs to be easier to work with.
fix output JSON snippet syntax
add in a debugging script that publishes relevant cloud formation and cloud-init stuff to /var/www/html/
modify to load custom scripts with the deployment directory as root.
remove netstat as a package, since it breaks builds.
add in a pattern that represents all the taret resources
allow the availability zone to be passed into a network as a param
stop bugging me about blah.*
consolidate cfn-init logging into one consistent file
use the full-monty pattern for mediawiki, and remove netstat pkg
Merge pull request #31 from robparrott/master

Refactor data dirs and CLI code a bit;
allow deployment file YAML to specify the NEPHO_INSTANCE_ROLE env variable in the build script, in order to differentiate service tiers.
Merge branch 'master' of github.com:huit/nepho
pass in S3 creds as env variable, and document env vars.
fix for instance params for single-host pattern
add in a simplified full-monty called partial-monty, which does the ELB part but with one tier, and no RDS. Also add a testing stanza to the mediawiki deployment file for using this.
update patterns to reflect need for tier-specific named params
allow to autogenerate passwords
allow to autogenerate passwords (fix)