* Basic components for HTTP settings migration WIP

* Add secureJsonFields to DataSourceSettings

* Introduce datasource-http-settings-next directive for backward compatibility

* fix lint

* renames

* rename fix

* TagsInput component

* move tags from app to grafana/ui

* implement tagsinput on datasourcesettings

* capitalize

* new file for react directive for testing

* some layout touch ups

* FormField story

* Minor touch ups

* add url validation

* using prevent default to prevent updating datasource when adding tag

* using Stylefactory and fix tslint issue on MouseEvent

* only show tlsauthsettings if tls or ca cert

* fix url input length

* fix for showAccessOptions

* Implemented CertTextArea, removed commented code

* removed commented / not used code

* Rename and add more elements to Certification component

* fixing newSecureJsonData

* spelling

* Fix issue with checkboxes being undefined

* Removed old partials and minor fix

* removed unused props from story