Release of [email protected] to npm

Changes

• Added new locals for Spanish, Italian, and Chinese.
• Fixed an issue with the preferred local not being passed to LuisRecognizer class.
• Fixed an issue with localizationNamespace param not being passed for prompts.
• Fixed an issue with DefaultLocalizer class assuming it would always have a done callback.
• Cleaned up passing of localizerSettings from bot to DefaultLocalizer.
• Updated typescript definitions and docs.
• Updated LKG build and package.json version.