Merge pull request #109 from davpal/gh-pages

Update in polish translation

Author: rogerdudler

index.pl.html

@@ -34,6 +34,7 @@ <h1>git - prosty przewodnik</h1>
             by <a href="http://www.twitter.com/rogerdudler">Roger Dudler</a>
             <br />credits to <a href="http://www.twitter.com/tfnico">@tfnico</a>, <a href="http://www.twitter.com/fhd">@fhd</a> and <a href="http://www.namics.com">Namics</a><br />
             this guide in 
+            <a href="index.html">english</a>,
             <a href="index.de.html">deutsch</a>, 
             <a href="index.es.html">español</a>, 
             <a href="index.fr.html">français</a>, 
@@ -71,7 +72,7 @@ <h2>Instalacja</h2>
             <a href="http://msysgit.github.io/">Pobierz git dla Windows</a>
         </p>
         <p>
-            <a href="http://book.git-scm.com/2_installing_git.html">Pobierz git
+            <a href="http://git-scm.com/book/en/Getting-Started-Installing-Git">Pobierz git
                 dla Linux</a>
         </p>
     </div>