terraform: Input() asks for variable inputs
terraform: add Input API to ResourceProvider
rpc: Speak new API with UIInput
terraform: ask for input for providers
helper/schema: Input support
providers/*: fix compilation for input
terraform: prefix the Id for configuring providers
command: UIInput implementation to ask via CLI
command: Input tells us whether we should ask for input or not
helper/schema: don't ask for input on fields that have a value
command/plan: ask for input
terraform: validate should use the full config
terraform: make UX a bit better for input
command: apply and refresh ask for input
terraform: Make output more machine-like
command: make the UI a look nicer
Add descriptions for AWS inputs
command: accept defaults for UI
helper/scheam: support UI defaults
terraform: support var descriptions