allow local knife config options

If you wish to modify the knife configuration, e.g. AWS options for
`knife ec2` or Chef Server URL/keys, put them in
`.chef/knife.local.rb` and it will be loaded automatically.
Merge pull request #34 from jtimberman/local-knife-config

allow local knife config options
Add basic load balancer configurations
Added up pubkeys
ignore local knife config
Merge pull request #35 from skottler/balancer

Added basic nginx node and role
Merge pull request #36 from englishm/ignore_local_knife_config

ignore local knife config
Pin apt cookbook version to avoid bug that re-runs apt-get update.
Merge pull request #37 from stevendanna/pin-apt

Pin apt cookbook version to avoid bug that re-runs apt-get update.
move "base" type node attributes to base role

attributes include resolver, authorization/sudo, postfix, etc. makes
it easier for running multiple nodes
Merge pull request #38 from jtimberman/refactor-base-attrs

move "base" type node attributes to base role
Use the app cookbook to deploy the app.
Merge pull request #40 from coderanger/appcookbook

Use the app cookbook to deploy the app.
Add formal deps even though chef-solo doesn't care.
Run the migrate.
Merge pull request #42 from coderanger/appcookbook

Two small fixes to the app deploy.
Keep the current hostname during redirects.
We are only booting a single listener for now, unicorn handles concurrency internally.
Merge pull request #43 from coderanger/master

Fixes for nginx.
Add Capistrano for Orchestration.