Updated usages of deprecated react APIs to supported ones.

Added support for React 16. The platform runtime in Platform Server 11.12.0 and later uses the upgraded version of React, React 16.

• Added a new optional Locale parameter to AddTranslationsFromResource so that loading the translation and setting the user locale is done in one single step. This is especially useful in Reactive web apps that frequently do not have a splash screen while OnApplicationReady is running.