Orchestrator and testing features

Added

• support for controlling quick reply and button source (req.actionData()._ca);
• support for modification of senderIds when subscribing them
• [WIN-367] Added orchestratorClient with calling getConversationToken to orchestrator inside the Request
• support for "delayed" notifications
• support for "§" orchestrator variables
• Plugins.getWrappedPlugin() now accepts items as an object ({ itemName: (req, res) => { res.text('ok'); }})

Fixed

• res.currentPath() method now returns correct path at root routes
• AI #tags now scores with 1.0 score, when matched fully
• non-empty not equal condition at entity now requires it's presence (@entity!=1)
• setState now works within entity handlers
• BotApp has now more straightforward configuration of the apiUrl
• Plugins.getWrappedPlugin() compatible with Tester.espondedWithBlock()