Add credits for French translators

credits.php

@@ -43,6 +43,8 @@ textdomain('messages');
       <li>sa7bnt</li>
       <li>ct2jay</li>
       <li>oe7jkt</li>
+      <li>f0dei</li>
+      <li>f1ptl</li>
       <li><?php echo _("and some others..."); ?></li>
     </ul>
    <p><?php echo _("Those, who felt forgotten, feel free to commit a change into github of this file."); ?></p>

locale/fr_FR/LC_MESSAGES/messages.po

@@ -14,7 +14,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "X-Generator: Poedit 2.0\n"
-"Last-Translator: \n"
+"Last-Translator: Bruno - F1PTL\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 "Language: fr\n"