Added note about disabling Z-Way (#4027)

* Added note about disabling Z-Way

A few people have had problems where they've installed the Razberry software, and it's then caused problems (locking the card, and/or over-writing the `zwcfg*.xml` file). Adding a note to ensure that if installed it is disabled.

* Minor changes

source/_docs/z-wave/device-specific.markdown

@@ -61,6 +61,10 @@ $ sudo systemctl disable hciuart
 
 Finally, reboot to make those changes active. It's been reported that this is also required on the Pi2.
 
+<p class='note'>
+  If you've installed the Z-Way software, you'll need to ensure you disable it before you install Home Assistant or you won't be able to access the board. Do this with `sudo /etc/init.d/z-way-server stop; sudo update-rc.d z-way-server disable`.
+</p>
+
 ### {% linkable_title Aeon Minimote %}
 
 Here's a handy configuration for the Aeon Labs Minimote that defines all possible button presses. Put it into `automation.yaml`.
@@ -74,7 +78,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 1
-
   - id: mini_1_held
     alias: 'Minimote Button 1 Held'
     trigger:
@@ -83,7 +86,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 2
-
   - id: mini_2_pressed
     alias: 'Minimote Button 2 Pressed'
     trigger:
@@ -92,7 +94,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 3
-
   - id: mini_2_held
     alias: 'Minimote Button 2 Held'
     trigger:
@@ -101,7 +102,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 4
-
   - id: mini_3_pressed
     alias: 'Minimote Button 3 Pressed'
     trigger:
@@ -110,7 +110,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 5
-
   - id: mini_3_held
     alias: 'Minimote Button 3 Held'
     trigger:
@@ -119,7 +118,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 6
-
   - id: mini_4_pressed
     alias: 'Minimote Button 4 Pressed'
     trigger:
@@ -128,7 +126,6 @@ Here's a handy configuration for the Aeon Labs Minimote that defines all possibl
         event_data:
           entity_id: zwave.aeon_labs_minimote_1
           scene_id: 7
-
   - id: mini_4_held
     alias: 'Minimote Button 4 Held'
     trigger: