message: Update version in package
diff: {
  "name": "botkit",
  - "version": "0.5.1",
  + "version": "0.5.2",
  "description": "Building blocks for Building Bots",
  "main": "lib/Botkit.js",
  "dependencies": {
  "bugs": {
  "url": "https://github.com/howdyai/botkit/issues"
  },
  - "homepage": "http://howdy.ai/botkit",
  + "homepage": "https://botkit.ai",
  "keywords": [
  "bots",
  "chatbots",
  