Documentation - Update root README file

README.md

@@ -1,6 +1,8 @@
 # [![Alfresco SDK logo](https://github.com/Alfresco/alfresco-sdk/raw/master/src/site/resources/img/alfresco-maven-logo.jpg)](#features) Alfresco SDK
 
-This is the home of the Alfresco SDK. The Alfresco SDK is used by developers to build extensions for the Alfresco Digital Business Platform. It is based on [Apache Maven](http://maven.apache.org/), compatible with major IDEs and enables Rapid Application Development (RAD) and Test Driven Development (TDD).
+This is the home of the Alfresco SDK. The Alfresco SDK is used by developers to build extensions for the Alfresco Digital Business Platform. It is based on 
+[Apache Maven](http://maven.apache.org/), compatible with major IDEs and enables [Rapid Application Development (RAD)](https://en.wikipedia.org/wiki/Rapid_application_development) 
+and [Test Driven Development (TDD)](https://en.wikipedia.org/wiki/Test-driven_development).
 
 ## License
 This project is released under the [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html) license.
@@ -8,6 +10,7 @@ If you are an Enterprise customer check the [Support](#alfresco-enterprise-custo
 
 ## News
 
+- 2019-XX-XX: Alfresco SDK 4.0.0 released **(confirmation required)** 
 - 2017-06-23: Alfresco SDK 3.0.1 released, [containing a critical bugfix](https://github.com/Alfresco/alfresco-sdk/issues/461)
 - 2017-04-01: Alfresco SDK 3.0.0 released
 - 2017-03-27: After years of hard work, countless iterations and gathering feedback, SDK 3.0 has finally been merged into the master branch, ready for release in the coming days
@@ -21,11 +24,12 @@ If you are an Enterprise customer check the [Support](#alfresco-enterprise-custo
 ## User Getting Started
 
 ### Latest Documentation
-To get started with **Alfresco SDK 4.0.x** (latest) visit the [Alfresco Documentation](https://docs.alfresco.com/6.0/concepts/dev-for-developers.html) (documentation pending).
+To get started with **Alfresco SDK 4.0.x** (latest) visit the [Alfresco Documentation](docs/README.md).
 
 #### Documentation about Previous Versions
 | SDK Version  | Alfresco Enterprise Version       |  Alfresco Community Version       | Documentation  |
 | ------------- |:-------------:| :-----:|:-----|
+| SDK 4.0   | Alfresco 6.0.x / 6.1.x | Alfresco 6.0.x / 6.1.x | https://master--alfresco-builder-network.netlify.com **(confirmation required)** |
 | SDK 3.0   | Alfresco 5.2.x | Alfresco 5.2.x | http://docs.alfresco.com/5.2/concepts/sdk-intro.html |
 | SDK 2.2   | Alfresco 5.1.x | Alfresco 5.1.x | https://docs.alfresco.com/5.1/concepts/alfresco-sdk-intro.html |
 | SDK 2.1   | Alfresco 5.0.1 | Alfresco 5.0.d | https://docs.alfresco.com/sdk2.1/concepts/alfresco-sdk-intro.html |
@@ -43,12 +47,13 @@ please check the [SDK Support status](http://www.alfresco.com/services/subscript
 for the version you are using.  If your version is in Limited or Full Support and you need help, visit the [Support Portal](http://support.alfresco.com).
 
 ## Maven repositories
-- As of version 2.0-beta-1, The Alfresco SDK is released in [Maven Central](http://search.maven.org/#search|ga|1|alfresco-sdk). Previous versions are available in the [Alfresco Artifacts Repository](https://artifacts.alfresco.com/).
+- As of version 2.0-beta-1, The Alfresco SDK is released in [Maven Central](http://search.maven.org/#search|ga|1|alfresco-sdk). Previous versions are available 
+in the [Alfresco Artifacts Repository](https://artifacts.alfresco.com/).
 - Alfresco (Community and Enterprise) artifacts are  hosted in the [Alfresco Artifacts Repository](https://artifacts.alfresco.com/).
 - Alfresco Community artifacts (JARs, WARs, AMPs, poms) and SDK artifacts are publicly available.
 
-*NOTE:* By default the Alfresco SDK will use Community Edition releases but it can be configured to use Enterprise Edition releases.  Enterprise and Premier customers can use the SDK with
+*NOTE:* By default the Alfresco SDK will use Community Edition releases but it can be configured to use Enterprise Edition releases. Enterprise and Premier 
-Enterprise Edition releases by following the process described in [Working with Enterprise](https://docs.alfresco.com/5.2/concepts/sdk-using-enterprise.html)
+customers can use the SDK with Enterprise Edition releases by following the process described in [Working with Enterprise](docs/advanced-topics/working-with-enterprise/README.md).
 
 ### Alfresco Artifacts Repository
 
@@ -72,5 +77,9 @@ To test new unreleased (unsupported) features, you can use the following snippet
 </repository>
 ```
 
+## Docker registries
+- Alfresco Community Docker images are publicly available at the [Alfresco's Docker Hub profile](https://hub.docker.com/u/alfresco/).
+- Alfresco Enterprise Docker images are hosted at [Quay.io](https://quay.io/). Its configuration process is described in detail in [How to configure private Alfresco Docker registry](docs/advanced-topics/working-with-enterprise/enterprise-docker-registry.md).
+
 ## For Developers that want to contribute to the SDK
 See the [Developers Wiki page](https://github.com/Alfresco/alfresco-sdk/wiki/Developer-Wiki).

docs/advanced-topics/debugging/README.md

@@ -10,4 +10,4 @@ application server. This section outlines the steps needed to configure Alfresco
 and to troubleshoot issues by stepping through the code line by line.
 
 Here we assume you have already generated an Alfresco project using the Alfresco SDK. If you don't have a project already, follow the steps in 
-[Getting started with Alfresco SDK 3.0](../../getting-started.md) to learn how to generate it in a few easy steps.
+[Getting started with Alfresco SDK 4.0](../../getting-started.md) to learn how to generate it in a few easy steps.

docs/advanced-topics/switching-versions.md

@@ -18,6 +18,7 @@ When editing `pom.xml` you will see a number of properties that define the Alfre
 <alfresco.platform.version>6.0.7-ga</alfresco.platform.version>
 <alfresco.share.version>6.0.c</alfresco.share.version>
 ```
+**(confirmation required)**
 
 Before continuing, always remember to start from a newly generated SDK project before changing the version numbers. We do not recommend changing the versions 
 using developed customizations or source code.