BATCH-2192: Update versions of STS on the Getting Started Guide

* README.md updated as well for version.
* SpringSource Tool Suite also renamed to Spring Tool Suite to match product page.

README.md

@@ -24,14 +24,14 @@ To perform a full build of all modules (required prior to issuing a pull request
 
     $ mvn install -P all
 
-## SpringSource Tool Suite (STS)
+## Spring Tool Suite (STS)
 In STS (or any Eclipse distro or other IDE with Maven support), import the module directories as existing projects.  They should compile and the tests should run with no additional steps.
 
-# Getting Started Using SpringSource Tool Suite (STS)
+# Getting Started Using Spring Tool Suite (STS)
 
   This is the quickest way to get started.  It requires an internet connection for download, and access to a Maven repository (remote or local).
 
-* Download STS version 2.5.* (or better) from the [SpringSource website](http://www.springsource.com/products/sts).  STS is a free Eclipse bundle with many features useful for Spring developers.
+* Download STS version 3.4.* (or better) from the [Spring website](http://spring.io/tools/sts/).  STS is a free Eclipse bundle with many features useful for Spring developers.
 * Go to `File->New->Spring Template Project` from the menu bar (in the Spring perspective).
 * The wizard has a drop down with a list of template projects.  One of them is a "Simple Spring Batch Project".  Select it and follow the wizard.
 * A project is created with all dependencies and a simple input/output job configuration.  It can be run using a unit test, or on the command line (see instructions in the pom.xml).

src/site/apt/getting-started.apt

@@ -9,11 +9,11 @@ Spring Batch Getting Started
 
   A convenient way to get started quickly with Spring Batch is to run the samples which are packaged in the samples module.  There is also a simple command line sample (or "archetype") which has a bare bones but complete implementation of a simpel job.  The source code for the samples (and the other modules) is available either from the {{{./downloads.html}.Zip assembly}} or from {{{source-repository.html}Git}}.
 
-* Using SpringSource Tool Suite (STS)
+* Using Spring Tool Suite (STS)
 
   This is the quickest way to get started.  It requires an internet connection for download, and access to a Maven repository (remote or local).
 
-    * Download STS version 2.3.2.* from the {{{http://www.springsource.com/products/sts}SpringSource website}}.  STS is a free Eclipse bundle with many features useful for Spring developers.
+    * Download STS version 3.4.* (or better) from the {{{http://spring.io/tools/sts/}Spring website}}.  STS is a free Eclipse bundle with many features useful for Spring developers.
 
     * Go to <<<New->Other...>>> and select <<<SpringSource Tool Suite->Template Project>>> from the wizard chooser.