Update README instructions on importing into STS

Previously, users were encouraged to use
    Spring Tools->Add Spring Project Nature
to set up STS tooling for Spring XML files. This instruction has been
removed now, given that the Spring project nature is already added
in the .project file checked into the source tree.

README.txt

@@ -55,17 +55,17 @@ Import the project into Eclipse/STS:
 
     gradlew eclipse
 
-to create .project and .classpath files. this command will also retrive and link
-dependency source jars. After this is complete, you can import the project as
-follows:
+to update .classpath file with paths to the dependency jars you just downloaded
+(note that .project and .springBeans files already exist).  This command will
+also retrive and link dependency source jars. After this is complete, you can
+import the project as follows:
 
     File->Import->Existing Projects Into Workspace
 
-If using STS (http://www.springsource.com/developer/sts), you'll also want to
-enable the Spring Project Nature by right clicking on the distyles project and
-selecting:
-
-    Spring Tools->Add Spring Project Nature
+If using STS (http://www.springsource.com/developer/sts), you'll be glad to know
+that the Spring Project Nature has already been applied for you in the .project
+file, so you should have complete tooling for the Spring XML files in the
+project without any extra steps.
 
 
 Import the project into IntellJ IDEA: