In current Vault server EncodedToken will always be populated regardless
of type (root, DR), so prioritize that, and properly refer to it as
Encoded Token instead of Root Token.
Additionally refer to the nonce as the Operation nonce instead of the
Root generation operation nonce since it's used for both strategies.
* Use Colored UI if stdout is a tty
* Add format options to operator unseal
* Add format test on operator unseal
* Add -no-color output flag, and use BasicUi if no-color flag is provided
* Move seal status formatting logic to OutputSealStatus
* Apply no-color to warnings from DeprecatedCommands as well
* Add OutputWithFormat to support arbitrary data, add format option to auth list
* Add ability to output arbitrary list data on TableFormatter
* Clear up switch logic on format
* Add format option for list-related commands
* Add format option to rest of commands that returns a client API response
* Remove initOutputYAML and initOutputJSON, and use OutputWithFormat instead
* Remove outputAsYAML and outputAsJSON, and use OutputWithFormat instead
* Remove -no-color flag, use env var exclusively to toggle colored output
* Fix compile
* Remove -no-color flag in main.go
* Add missing FlagSetOutputFormat
* Fix generate-root/decode test
* Migrate init functions to main.go
* Add no-color flag back as hidden
* Handle non-supported data types for TableFormatter.OutputList
* Pull formatting much further up to remove the need to use c.flagFormat (#3950)
* Pull formatting much further up to remove the need to use c.flagFormat
Also remove OutputWithFormat as the logic can cause issues.
* Use const for env var
* Minor updates
* Remove unnecessary check
* Fix SSH output and some tests
* Fix tests
* Make race detector not run on generate root since it kills Travis these days
* Update docs
* Update docs
* Address review feedback
* Handle --format as well as -format
