some fixes to clean up new plugin system docs

Signed-off-by: Charles Smith <charles.smith@docker.com>

docs/extend/index.md

@@ -3,8 +3,8 @@
 aliases = [
 "/engine/extend/"
 ]
-title = "New Plugin System"
-description = "How to operate and create a plugin with the new system"
+title = "Managed plugin system"
+description = "How develop and use a plugin with the managed plugin system"
 keywords = ["API, Usage, plugins, documentation, developer"]
 advisory = "experimental"
 [menu.main]
@@ -13,7 +13,7 @@ weight=1
 +++
 <![end-metadata]-->
 
-# Docker Engine plugin system
+# Docker Engine managed plugin system
 
 This document describes the plugin system available today in the **experimental
 build** of Docker 1.12:

docs/extend/legacy_plugins.md

@@ -1,6 +1,7 @@
 <!--[metadata]>
 +++
-title = "Extending Engine with plugins"
+aliases = "/engine/extend/plugins/"
+title = "Use Docker Engine plugins"
 description = "How to add additional functionality to Docker with plugins extensions"
 keywords = ["Examples, Usage, plugins, docker, documentation, user guide"]
 [menu.main]
@@ -9,11 +10,11 @@ weight=3
 +++
 <![end-metadata]-->
 
-# Understand legacy Docker Engine plugins
+# Use Docker Engine plugins
 
 This document describes the Docker Engine plugins generally available in Docker
-Engine 1.12 and earlier. To view information on plugins managed by Docker
-Engine, refer to [Docker Engine plugin system](plugins.md).
+Engine. To view information on plugins managed by Docker Engine currently in
+experimental status, refer to [Docker Engine plugin system](index.md).
 
 You can extend the capabilities of the Docker Engine by loading third-party
 plugins. This page explains the types of plugins and provides links to several

docs/extend/menu.md

@@ -1,7 +1,7 @@
 <!--[metadata]>
 +++
-title = "Extend Docker"
-description = "How to extend Docker Engine with plugins"
+title = "Implement plugins"
+description = "Develop plugins and use existing plugins for Docker Engine"
 keywords = ["extend, plugins, docker, documentation, developer"]
 type="menu"
 [menu.main]
@@ -12,9 +12,4 @@ weight = 0
 <![end-metadata]-->
 
 
-## New Docker Plugin System
-
-Currently, you can extend Docker Engine by adding a plugin. This section contains the following topics:
-
-* [Understand Docker plugins](plugins.md)
-* [Write a volume plugin](plugins_volume.md)
+<!--menu page not rendered-->

docs/extend/plugin_api.md

@@ -14,9 +14,9 @@ weight=7
 Docker plugins are out-of-process extensions which add capabilities to the
 Docker Engine.
 
-This document describes the Docker Engine plugin API generally available in
-Docker Engine 1.12 and earlier. To view information on plugins managed by Docker
-Engine, refer to [Docker Engine plugin system](plugins.md).
+This document describes the Docker Engine plugin API. To view information on
+plugins managed by Docker Engine currently in experimental status, refer to
+[Docker Engine plugin system](index.md).
 
 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

docs/extend/plugins_authorization.md

@@ -13,9 +13,9 @@ weight = 4
 
 # Create an authorization plugin
 
-This document describes Docker Engine authorization plugins generally
-available in Docker Engine 1.12 and earlier. To view information on plugins
-managed by Docker Engine, refer to [Docker Engine plugin system](plugins.md).
+This document describes the Docker Engine plugins generally available in Docker
+Engine. To view information on plugins managed by Docker Engine currently in
+experimental status, refer to [Docker Engine plugin system](index.md).
 
 Docker's out-of-the-box authorization model is all or nothing. Any user with
 permission to access the Docker daemon can run any Docker client command. The

docs/extend/plugins_network.md

@@ -12,8 +12,8 @@ weight=5
 # Engine network driver plugins
 
 This document describes Docker Engine network driver plugins generally
-available in Docker Engine 1.12 and earlier. To view information on plugins
-managed by Docker Engine, refer to [Docker Engine plugin system](plugins.md).
+available in Docker Engine. To view information on plugins
+managed by Docker Engine, refer to [Docker Engine plugin system](index.md).
 
 Docker Engine network plugins enable Engine deployments to be extended to
 support a wide range of networking technologies, such as VXLAN, IPVLAN, MACVLAN
@@ -46,7 +46,7 @@ commands. For example,
 
     $ docker network create --driver weave mynet
 
-Some network driver plugins are listed in [plugins](plugins.md)
+Some network driver plugins are listed in [plugins](legacy_plugins.md)
 
 The `mynet` network is now owned by `weave`, so subsequent commands
 referring to that network will be sent to the plugin,

docs/extend/plugins_volume.md

@@ -13,8 +13,8 @@ weight=6
 
 Docker Engine volume plugins enable Engine deployments to be integrated with
 external storage systems, such as Amazon EBS, and enable data volumes to persist
-beyond the lifetime of a single Engine host. See the [plugin
-documentation](plugins.md) for more information.
+beyond the lifetime of a single Engine host. See the
+[plugin documentation](legacy_plugins.md) for more information.
 
 ## Changelog