Added Dawn::CLI.no_operation

Also fixed dawn create
pull from the result["<argv>"] not the top level argv
OutputFormatter requires the terminal table patches
BaseCommands#command returns a Symbol
BaseCommands in no_operation should print args inspected
Added spec
Stub App.run
Added health-check command
Fixed app scale passing a nil

Since inject uses the last evaluated object in the block, if nothing
is excuted a nil is returned
Updated parser_spec

Completed all top-level commands
Completed app subcommands
Completed domain subcommands
Completed drain subcommands in parser spec
Completed env in parser spec
Completed key command in parser spec
Completed release command in parser spec
Fixed env set
Fixed key get and delete
Sort commands alphabetically
Added missing id paramter to Key.delete
Basic commands documentation
Slim-ed the terminal tables