Update changelog and credits

src/site/markdown/overview/changelog.md

@@ -21,6 +21,7 @@
 * [#14](https://github.com/adangel/pmd/pull/14): Added support for Scala to CPD.
 * [#15](https://github.com/adangel/pmd/pull/15): (pmd-cs) Fixed incorrect line numbers after mutiline comments and verbatim strings.
 * [#16](https://github.com/adangel/pmd/pull/16): Fixed several C++ lexical / tokenize errors.
+* [#17](https://github.com/adangel/pmd/pull/17): Fixed '--files' command line option of CPD, so it also works for files and not only for directories.
 
 **Bugfixes:**
 

src/site/xdoc/overview/credits.xml

@@ -340,6 +340,7 @@
             <li>Stuart Turton - for PLSQL support. See also <a href="http://pldoc.sourceforge.net/">http://pldoc.sourceforge.net/</a></li>
             <li>Andrey Utis - for adding Apache Velocity as a new language and writing up a <a href="new-language.html">howto for adding new languages</a>.</li>
             <li>Alan Hohn - for adding Standard and modified cyclomatic complexity rules</li>
+            <li>Jan van Nunen - for adding CPD support for Matlab, Objective-C, Python, Scala and various bug fixes</li>
         </ul>
         </subsection>
         <subsection name="Organizations">