Add Hipchat integration

docs/hipchat.markdown

@@ -0,0 +1,31 @@
+Hipchat integration
+===================
+
+Send notifications to a room
+-----------------------------
+
+Example of notifications:
+
+![Hipchat notification](http://kanboard.net/screenshots/documentation/hipchat-notification.png)
+
+This feature use the room notification token system of Hipchat.
+
+### Hipchat configuration
+
+![Hipchat room token](http://kanboard.net/screenshots/documentation/hipchat-room-token.png)
+
+1. Go to to **My account**
+2. Click on the tab **Rooms** and select the room you want to send the notifications
+3. On the left, choose **Tokens**
+4. Enter a label, by example "Kanboard" and save
+
+### Kanboard configuration
+
+![Hipchat settings](http://kanboard.net/screenshots/documentation/hipchat-settings.png)
+
+1. Go to **Settings > Integrations > Hipchat**
+2. Replace the API url if you use the self-hosted version of Hipchat
+3. Set the room name or the room API ID
+4. Copy and paste the token generated previously
+
+Now, all Kanboard events will be sent to the Hipchat room.

docs/slack.markdown

@@ -10,7 +10,7 @@ Example of notifications:
 
 This feature use the [Incoming webhook](https://api.slack.com/incoming-webhooks) system of Slack.
 
-### Configure Slack
+### Slack configuration
 
 ![Slack webhook creation](http://kanboard.net/screenshots/documentation/slack-add-incoming-webhook.png)
 
@@ -18,4 +18,4 @@ This feature use the [Incoming webhook](https://api.slack.com/incoming-webhooks)
 2. On the list of services, scroll-down and choose **DIY Integrations & Customizations > Incoming WebHooks**
 3. Copy the webhook url to the Kanboard settings page: **Settings > Integrations > Slack**
 
-
+Now, all Kanboard events will be sent to the Slack channel.