* Adding targets section for configuration
Will add a --target <resource> for each item in a comma separated list to the plan and apply commands
Updated the docs to show the new behavior. If left undefined there is no regression in functionality.
* Combine the --target append steps
No reason to waste lines
* Updating docs for YAML list of strings
* Documentation for single and multiple targets
Add 'parallelism' parameter to limit the number of concurrent operations as Terraform walks its graph.
Download glibc-2.21-r2.apk from 'github.com/sgerrand/alpine-pkg-glibc' as 'circle-artifacts.com/gh/andyshinn/alpine-pkg-glibc' is not available.
Correct 'terraform apply' with parallelism option.
Run 'go fmt'.
