Update eclipse formatter XML

Update the eclipse formatter XML to align it with the project specific
settings files. Also corrected the information in CONTRIBUTING.md

CONTRIBUTING.md

@@ -17,7 +17,7 @@ the core team, and given the ability to merge pull requests.
 None of these is essential for a pull request, but they will all help.  They can also be added after the original pull
 request but before a merge.
 
-* Use the Spring Framework code format conventions. Import `eclipse-code-formatter.xml` from the root of the project
+* Use the Spring Framework code format conventions. Import `eclipse-code-formatter.xml` from the `eclipse` folder of the project
   if you are using Eclipse. If using IntelliJ, copy `spring-intellij-code-style.xml` to `~/.IntelliJIdea*/config/codestyles`
   and select spring-intellij-code-style from Settings -> Code Styles.
 * Make sure all new .java files to have a simple Javadoc class comment with at least an @author tag identifying you, and