* Add generic component
* Add validation. Rename to widgetRenderer
* Remove test code from splash screen
* Clean up infobox
* Fix styling/layout
* Move test code into unit test
* Replace <input> and <labe> by <TextField> and <Text> respectively. Fix style.
* Replace InfoBoxComponent with UI fabric MessageBar. Fix styling for TextField
* Use MessageBar for error message
* Rename WdigetRendererComponent to SmartUiComponent
