Use consistent whitespace in template placeholders

* Fix GH_CLIENT_ID environment variable name in deployment

* chronograf: bump version

* And OAuth support and bump version

* Remove confusing default values

* Address PR comment

* Fix tls config

* Fix typo

* Add Heroku and Google oauth support

* Fix verbosity

* Resolved version conflict

* [stable/chronograf] update description

* Version bump

* Convert chart chronograf to use the recommended pvc patterns

* Update pvc.yaml

* Update _helpers.tpl

* Update Chart.yaml

* Update pvc.yaml