message: update provisiong doc for v4
diff: @@ -14,8 +14,6 @@ Go to [http://api.slack.com/apps](http://api.slack.com/apps) and create a new ap
  You will receive a `clientId` and a `clientSecret`. You need these values - copy them into a temporary text file for use in the following steps.
  -![A screenshot of the "Create your app" modal on Slack's API portal](IMG/slack_client_secret.png)
  -
  ## 2. Turn on your Botkit app
  You will need to [install Botkit](../readme-slack.md#getting-started) and run it before your bot can be configured with Slack.
  @@ -26,9 +24,7 @@ Once you've collected your `clientId` and `clientSecret` tokens from Slack, you
  Botkit and Slack use the OAuth authentication system to grant bots access to connect to, read from, and send messages to Slack teams.
  -![A screenshot of the "Setup Oauth" tab on Slack's portal](IMG/slack_oauth.png)
  -
  -Click on the "OAuth & Permissions" tab in your Slack's app setting, and under Redirect URLs, add: `https://my-bot-url/oauth`, and save your progress.
  +Click on the "OAuth & Permissions" tab in your Slack's app setting, and under Redirect URLs, add: `https://my-bot-url/install/auth`, and save your progress.
  ## 4. Add a Bot User
  @@ -40,7 +36,7 @@ In addition to a name, enable the option for "Always Show My Bot Online." This w
  ## 5. Set up Interactive Components
  -"Interactive Components" is Slack's fancy way of saying "buttons, or dialogs, or menus." In order to enable these, under Request URL, add `https://YOURURL/slack/receive`, then click save.
  +"Interactive Components" is Slack's fancy way of saying "buttons, or dialogs, or menus." In order to enable these, under Request URL, add `https://YOURURL/api/messages`, then click save.
  ![A screeshot showing how to setup interactive components](IMG/slack-im.png)
  @@ -48,7 +44,7 @@ In addition to a name, enable the option for "Always Show My Bot Online." This w
  To start receiving messages, you will need to enable Event Subscriptions. Finally, scroll to the top of the page and switch "Enable Events" to "on".
  -Next you will need to add your Request URL, like this: `https://YOURURL/slack/receive`. When you finish typing, Slack will verify that this endpoint is properly configured. You must be running your Botkit application at the URL specified for this to work.
  +Next you will need to add your Request URL, like this: `https://YOURURL/api/messages`. When you finish typing, Slack will verify that this endpoint is properly configured. You must be running your Botkit application at the URL specified for this to work.
  ![A screenshot showing how to set up webhook endpoints](IMG/Slack-eventsenable.png)
  @@ -71,10 +67,10 @@ Your bot is now ready to receive messages!
  ## 7. Add your bot to your Slack team
  -Now that your bot is configured, and your application is up and running, you can login and add your bot. Visit `https://MYURL/`, and you will be automatically directed to Slack's login page. Login and choose a team. You'll get one more confirmation before being redirected back to your app.
  +Now that your bot is configured, and your application is up and running, you can login and add your bot. Visit `https://MYURL/install`, and you will be automatically directed to Slack's login page. Login and choose a team. You'll get one more confirmation before being redirected back to your app.
  Meanwhile, your bot should appear inside your Slack team. You should receive a friendly welcome message to indicates your bot is now online and working!
  ## Additional resources
  -* [Botkit Slack readme](../readme-slack.md)
  +* [Botkit Slack readme](../platforms/slack.md)
  * [Slack's official documention for Events API](https://api.slack.com/events-api)
  