Release of botbuilder@1.0.0 to npm

Breaking Changes

• Simple closure based handlers are now single step waterfalls.
• If a dialog steps past the end of a waterfall the dialog is automatically ended.

Other Changes

• Exposed SimpleDialog class from both module & docs.
• DialogAction.validatedPrompt() now returns a Dialog which makes it more strongly typed.
• Fixed an issue with the LuisDialog on() & onDefault() handlers eating exceptions.
• Fixed issue with telegram not showing buttons on re-prompt.
• Updated LKG build and package.json version.