make tests pass with the latest versions of ruby and gems
describe elasticache clusters
create and destroy elasticache clusters
app:start & deploy: support --cache-cluster-name and pass all options to deploy_command
support ELB and multiple servers in one app
support ELB with multiple server instances
ELB: remove instances
deploy and rollback by replacing server instances behind an ELB
allow multiple different instance configurations behind an ELB
--force destroy the cname record after elb:destroy
bugfix: use ELB if elb_name is defined
Thorfile template for ELB configuration
updated readme and version number