write mercurial hook module on first request

scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/web/HgCGIServlet.java

@@ -146,7 +146,7 @@ public class HgCGIServlet extends HttpServlet
     {
       throw new ServletException("repository not found");
     }
-
+    
     String name = repository.getName();
     File directory = handler.getDirectory(repository);
     String pythonPath = "";