Add health_check to aws_elb resource
Fixed example

The cat should actually be an echo if you want to write the IP address to a file
Add documentation for elb health_check
Merge pull request #109 from vertis/add_health_check_to_aws_elb

Add health_check to aws_elb resource
providers/aws: add test for health check, save health check state

cc/ @vertis

I added an acceptance test here, as well as making it so we
saved the health check state on update_state.
Merge pull request #110 from pokle/master

Fixed example
Stop passing engine into EngineVersion

Fixes #95
Merge pull request #118 from johnwards/fix/rds_engine_version

Stop passing engine into EngineVersion
providers/aws: allow "modifying" as pending state for db instances

fixes #119
update changelog