0.22 (#570)

* Initial snmp sensor docs (#538)

* Fixed markdown and added logo (#551)

* Added documentation for router operating mode for asuswrt (#545)

* local_file camera component documenatation (#554)

* Documenation for local_file camera component

* Update camera.local_file.markdown

* Added information about voltage sensor

* Instructions for Pandora media player (#552)

* Add release

* Add pub_key

* Add BT Home Hub docs

* Markdown tweaks (#553)

* Add docs about MySensors IR switch (#556)

* Update sensor.mysensors docs, about moving V_IR_SEND type to switch
  platform.
* Update switch.mysensors docs. Add section about the new service and
  additional example sketch for the IR switch device.

* Update index.html

* plex sensor (#526)

* Add var descriptions

* Adds documentation for the Local File Camera (#482)

* Revert "Adds documentation for the Local File Camera" (#563)

* Minor changes

* Add Wink Rollershutter (#559)

* Added example of using template in shell_command. (#547)

* Add Documentation for Netatmo Welcome (#542)

* Reorganize  documentation for Netatmo

As Netatmo is now a Hub component, documentations has been splitted in several
parts betweent the hub, the sensors and the camera

Signed-off-by: Hugo D. (jabesq) <jabesq@gmail.com>

* Add configuration variables for Netatmo Welcome cameras

* Add ha_release information on new documentation pages

* Netatmo Weather Station is a weather sensor

* Add blog post 0.22

source/_components/sensor.bloomsky.markdown

@@ -28,6 +28,7 @@ sensor:
     - UVIndex
     - Luminance
     - Night
+    - Voltage
 ```
 
 Configuration variables:
@@ -40,3 +41,4 @@ Configuration variables:
   - Rain
   - Temperature
   - UVIndex
+  - Voltage