Open Hardware Monitor component page and logo added. (#2824)

* Open Hardware Monitor component page and logo added.

* Fixed typos

* Added host config variable

Added the host configuration variable to documentation and changed example to be inline with most of the other documentation.

* Update sensor.openhardwaremonitor.markdown

* Update 'ha_release'

source/_components/sensor.openhardwaremonitor.markdown

@@ -0,0 +1,32 @@
+---
+layout: page
+title: "Open Hardware Monitor Sensor"
+description: "Instructions how to integrate Open Hardware Monitor within Home Assistant."
+date: 2017-06-16 00:00:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: openhardwaremonitor.png
+ha_category: Sensor
+ha_release: 0.48
+ha_iot_class: "Local Polling"
+---
+
+
+The `openhardwaremonitor` platform uses your [Open Hardware Monitor](http://openhardwaremonitor.org/) installation as a source for sensors that will display system information.
+
+To add Open Hardware Monitor to your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+sensor:
+  - platform: openhardwaremonitor
+    host: IP_ADDRESS
+```
+
+Configuration variables:
+
+- **host** (*Required*): The IP address or hostname of your Open Hardware Monitor.
+- **port** (*Optional*): The port of your Open Hardware Monitor API. Default to 8085.
+