Provide hints for new features which should be used.

• https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.0/Feature-61361-FallbackTemplatePathsForFluidStandaloneView.html / https://docs.typo3.org/typo3cms/extensions/core/Changelog/7.3/Feature-66709-AddTemplateRootPathsSupportToFluidViewStandaloneView.html