Fixes title, line wrap, and Adds install area

Tibor's comment
Updating with the new plugins
Entering comments from Seb

Signed-off-by: Mary Anthony <mary@docker.com>

docs/sources/experimental/experimental.md

@@ -1,28 +1,51 @@
 page_title: Overview of Experimental Features
 page_keywords: experimental, Docker, feature
 
-# Overview 
+# Experimental Features in this Release 
 
-This page contains a list of features in the Docker engine which are experimental as of the current release. Experimental features are **not** ready for production.  They are provided to for test and evaluation in your sandbox environments.  
+This page contains a list of features in the Docker engine which are
+experimental as of the current release. Experimental features are **not** ready
+for production. They are provided for test and evaluation in your sandbox
+environments.  
 
-The information below describes each feature and the Github pull requests and issues associated with it. If necessary, links are provided to additional documentation on an issue.  As an active Docker user and community member, please feel free to provide any feedback on these features you wish.
+The information below describes each feature and the Github pull requests and
+issues associated with it. If necessary, links are provided to additional
+documentation on an issue.  As an active Docker user and community member,
+please feel free to provide any feedback on these features you wish.
 
-## XXXXX
+## Install Docker experimental 
 
-Short two sentence description of the feature. Why someone would use it.
+1. Verify that you have `wget` installed.
 
-### How to use XXXXX
+        $ which wget
 
-No more than two paragraphs. If longer, link to a page with the documentation.
+    If `wget` isn't installed, install it after updating your manager:
 
-### Known issues, limitations, and risks
+        $ sudo apt-get update
+        $ sudo apt-get install wget
 
-* one
-* two
-* three
+2. Get the latest Docker package.
 
-### Related GitHub PRs and issues
+        $ wget -qO- https://experimental.docker.com/ | sh
+
+    The system prompts you for your `sudo` password. Then, it downloads and
+    installs Docker and its dependencies.
+
+	>**Note**: If your company is behind a filtering proxy, you may find that the
+	>`apt-key`
+	>command fails for the Docker repo during installation. To work around this,
+	>add the key directly using the following:
+	>
+	>       $ wget -qO- https://experimental.docker.com/gpg | sudo apt-key add -
+
+3. Verify `docker` is installed correctly.
+
+        $ sudo docker run hello-world
+
+    This command downloads a test image and runs it in a container.
+
+## Experimental features in this Release
+
+* [Support for Docker plugins](plugins.md)
+* [Volume plugins](plugins_volume.md)
 
-* one
-* two 
-* three

docs/sources/experimental/plugin_api.md

@@ -2,7 +2,7 @@ page_title: Plugin API documentation
 page_description: Documentation for writing a Docker plugin.
 page_keywords: docker, plugins, api, extensions
 
-# Docker Plugin API
+# Experimental: Docker Plugin API
 
 Docker plugins are out-of-process extensions which add capabilities to the
 Docker Engine.
@@ -11,6 +11,8 @@ This page is intended for people who want to develop their own Docker plugin.
 If you just want to learn about or use Docker plugins, look
 [here](/userguide/plugins).
 
+This is an experimental feature. For information on installing and using experimental features, see [the experimental feature overview](experimental.md).
+
 ## What plugins are
 
 A plugin is a process running on the same docker host as the docker daemon,

docs/sources/experimental/plugins.md

@@ -1,11 +1,13 @@
 page_title: Experimental feature - Plugins
 page_keywords: experimental, Docker, plugins
 
-# Overview
+# Experimental: Extend Docker with a plugin 
 
 You can extend the capabilities of the Docker Engine by loading third-party
 plugins. 
 
+This is an experimental feature. For information on installing and using experimental features, see [the experimental feature overview](experimental.md).
+
 ## Types of plugins
 
 Plugins extend Docker's functionality.  They come in specific types.  For

docs/sources/experimental/plugins_volume.md

@@ -1,13 +1,15 @@
 page_title: Experimental feature - Volume plugins
 page_keywords: experimental, Docker, plugins, volume
 
-# Overview
+# Experimental: Docker volume plugins
 
 Docker volume plugins enable Docker deployments to be integrated with external
 storage systems, such as Amazon EBS, and enable data volumes to persist beyond
 the lifetime of a single Docker host. See the [plugin documentation](/experimental/plugins)
 for more information.
 
+This is an experimental feature. For information on installing and using experimental features, see [the experimental feature overview](experimental.md).
+
 # Command-line changes
 
 This experimental features introduces two changes to the `docker run` command: