Add new platform microsoft_face_detect / add braking changes for 0.38 (#2004)

* Add new platform microsoft_face_detect / add braking changes

* add more infos

source/_components/image_processing.microsoft_face_detect.markdown

@@ -0,0 +1,38 @@
+---
+layout: page
+title: "Microsoft Face detect"
+description: "Instructions how to integrate microsoft face detect into Home Assistant."
+date: 2017-01-25 00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: microsoft.png
+ha_category: Image Processing
+featured: false
+ha_release: 0.37
+---
+
+The `microsoft_face_detect` image processing platform lets you use [Microsoft Face identify](https://www.microsoft.com/cognitive-services/en-us/) API through Home Assistant. This platform allow you do detect face on camera and fire a event with attributes.
+
+Please refer to the [component](/components/microsoft_face/) configuration on how to setup the API key.
+
+For using the result inside an automation rule, take a look at the [component](/components/image_processing/) page.
+
+### {% linkable_title Configuration Home Assistant %}
+
+```yaml
+# Example configuration.yaml entry
+image_processing:
+ - platform: microsoft_face_detect
+   source:
+    - entity_id: camera.door
+```
+Configuration variables:
+
+- **group** (*Required*): Micrsoft face group to detect person from it.
+- **confidence** (*Optional*): The minimum of confidence in percent to process with Home Assistant. Defaults to 80.
+- **source** array (*Required*): List of image sources.
+  - **entity_id** (*Required*): A camera entity id to get picture from.
+  - **name** (*Optional*): This parameter allows you to override the name of your `image_processing` entity.
+- **attributes** array (*Optional*): Default age,gender. Attributes for search on picture. Supported: age, gender, glasses