Update Eclipse readme with use w/o maven details

Author: Layoric

src/ServiceStackEclipse/readme.md

@@ -28,6 +28,24 @@ Updating a ServiceStack Reference works as normal where you can change any of th
 
 ![](https://raw.githubusercontent.com/ServiceStack/Assets/master/img/servicestackeclipse/update-reference-demo.gif)
 
+### Using the plugin without Maven
+
+ServiceStack references can still be added without the use of a Maven project. However, two dependencies will have to added to your Eclipse project for the generated Java to compile. Both JARs are available to download from JCenter or MavenCentral.
+
+1. [`net.servicestack:client`](http://search.maven.org/#search%7Cga%7C1%7Cnet.servicestack)
+2. [`com.google.code.gson:gson:2.3.1`](http://search.maven.org/#artifactdetails%7Ccom.google.code.gson%7Cgson%7C2.3.1%7Cjar)
+
+Once you have downloaded these jars, add them to a folder in your project, eg `/lib`.
+
+![](https://raw.githubusercontent.com/ServiceStack/Assets/7bf496d493b05f4f18ece4c8aab270eb8ecc930b/img/servicestackeclipse/without-maven.png)
+
+Then add these dependencies to your Eclipse project.
+1. Right click -> Properties on your project in Eclipse.
+2. Select `Java Build Path`.
+3. Select the `Libraries` tab.
+4. Click `Add JAR`.
+5. Select both required libraries.
+
 ## [ServiceStack Java Documentation](https://github.com/ServiceStack/ServiceStack/wiki/Java-Add-ServiceStack-Reference#update-servicestack-reference)
 
 For further information on the different code-generation configuration options available and examples of using the `JsonServiceClient` refer to the [Java ServiceStack Reference Documentation](https://github.com/ServiceStack/ServiceStack/wiki/Java-Add-ServiceStack-Reference#update-servicestack-reference).