Merge pull request #49 from vertis/master

Bootstrap multiple roles
chef bootstrap not needed for vagrant
update ec2 cap config
Merge pull request #50 from dwradcliffe/patch-1

chef bootstrap not needed for vagrant
cap server config
1 app, 1 db, 1 lb (for now)
Merge pull request #51 from dwradcliffe/ec2-cap-config

update ec2 cap config
cap config cleanup
Merge pull request #53 from dwradcliffe/cap-config

cap config cleanup
fog script to create/destroy ec2 instances
vendor gems
Merge pull request #25 from dwradcliffe/vendor-gems

Vendor gems!
adding curl, strace, etc
Merge pull request #55 from someara/someara

adding curl, strace, etc
Merge pull request #54 from dwradcliffe/fog

fog script to create/destroy ec2 instances
update vendored gems
Updated some node configuration
Merge pull request #56 from skottler/balancer_updates

Updated some node configuration
refactoring for db role

* add db node to vagrantfile, and node json
* use roles for db master and memcached
* moving users out of individual nodes' attributes into base role
use rubygems_production
Merge pull request #58 from jtimberman/role-attribute-refactor

refactoring for db role