Add "Tools and Helper" section (#2114)

source/_docs/tools.markdown

@@ -9,4 +9,5 @@ sharing: true
 footer: true
 ---
 
-Home Assistant ships a couple of helpers for the command-line and the frontend which simplify common tasks, are helping with migrations, and ensure that Home Assistant runs properly. 
+Home Assistant ships a couple of helpers for the command-line and the frontend which simplify common tasks, are helping with migrations, and ensure that Home Assistant runs properly.
+

source/_docs/tools/dev-tools.markdown

@@ -1,12 +1,25 @@
 ---
 layout: page
-title: "Tools"
-description: "Description of tools which helps when using Home Assistant."
-release_date: 2016-11-13 15:00:00
+title: "Development Tools"
+description: "Description of the Developer Tools."
+release_date: 2017-02-23 11:00:00
 sidebar: true
 comments: false
 sharing: true
 footer: true
 ---
 
-Home Assistant ships a couple of helpers for the command-line and the frontend which simplify common tasks, are helping with migrations, and ensure that Home Assistant runs properly. 
+The frontend contains a section called "Developer Tools". 
+
+<p class='img'>
+<img src='/images/screenshots/developer-tools.png' />
+Screenshot of Home Assistant's Developer Tools.
+</p>
+
+| Section | description |
+| ------- | ----- |
+| Services | Calls services from components |
+| States | Sets the representation of an entity |
+| Events | Fires events |
+| Templates | Renders templates |
+| Info | Details about Home Assistant |

source/_docs/tools/hass.markdown

@@ -1,15 +1,15 @@
 ---
 layout: page
-title: "Hass"
-description: "Description of tools which helps when using Home Assistant."
-release_date: 2016-11-13 15:00:00
+title: "hass"
+description: "Description of hass."
+release_date: 2017-02-23 11:00:00
 sidebar: true
 comments: false
 sharing: true
 footer: true
 ---
 
-The command-line part of Home Assistant is 
+The command-line part of Home Assistant is `hass`.
 
 
 ```bash
@@ -41,3 +41,5 @@ optional arguments:
   --script ...          Run one of the embedded scripts
   --daemon              Run Home Assistant as daemon
 ```
+
+

source/_docs/tools/scripts.markdown

@@ -2,11 +2,43 @@
 layout: page
 title: "Tools"
 description: "Description of tools which helps when using Home Assistant."
-release_date: 2016-11-13 15:00:00
+release_date: 2017-02-23 11:00:00
 sidebar: true
 comments: false
 sharing: true
 footer: true
 ---
 
-Home Assistant ships a couple of helpers for the command-line and the frontend which simplify common tasks, are helping with migrations, and ensure that Home Assistant runs properly. 
+The command-line and the frontend which simplify common tasks, are helping with migrations, and ensure that Home Assistant runs properly. Please do not confuse those with with Home Assistant's [script](/docs/scripts/) feature. 
+
+
+### {% linkable_title Configuration check %}
+
+Test any changes to your `configuration.yaml` file before launching Home Assistant. This script allows you to test changes without the need to restart Home Assistant.
+
+```bash
+$ hass --script check_config
+```
+
+### {% linkable_title Existance of configuration %}
+
+This script checks if the `configuration.yaml` file exists. If the file is not available, one is created.
+
+```bash
+$ hass --script ensure_config
+```
+
+### {% linkable_title Secrets %}
+
+There is a method to store secrets outside of your `configuration.yaml` file. For further details, please refer to the [Storing Secrets](/docs/configuration/secrets/) documentation.
+
+```bash
+$ hass --script keyring
+```
+
+### {% linkable_title Old scripts %}
+
+Usally those scripts were only use when a massive update happend and was announced in the release notes.
+
+- `db_migrator`: Migrate an existing SQLite database to the new schema.
+- `influxdb_migrator`: Convert an old InfluxDB to the new format.

source/_includes/asides/docs_navigation.html

@@ -33,7 +33,6 @@
           <li>{% active_link /docs/configuration/basic/ Basic information %}</li>
           <li>{% active_link /docs/configuration/devices/ Setting up devices %}</li>
           <li>{% active_link /docs/configuration/customizing-devices/ Customizing devices and services %}</li>
-          <li>{% active_link /docs/configuration/presence-detection/ Presence Detection %}</li>
           <li>{% active_link /docs/configuration/troubleshooting/ Troubleshooting %}</li>
           <li>{% active_link /docs/configuration/securing/ Security Check Points %}</li>
         </ul>
@@ -85,6 +84,14 @@
           <li>{% active_link /docs/scripts/conditions/ Conditions %}</li>
         </ul>
       </li>
+      <li>
+        {% active_link /docs/tools/ Tools and Helpers %}
+        <ul>
+          <li>{% active_link /docs/tools/dev-tools/ Developer Tools %}</li>
+          <li>{% active_link /docs/tools/hass/ hass %}</li>
+          <li>{% active_link /docs/tools/scripts/ Scripts %}</li>
+        </ul>
+      </li>
       <li>
         {% active_link /docs/z-wave/ Z-Wave %}
         <ul>