[CLEANUP] reference product branch 1.5

It still appeared as 1.4 on the stats links.
diff --git a/include/common/version.h b/include/common/version.h
index a869231..ce6e600 100644
--- a/include/common/version.h
+++ b/include/common/version.h
@@ -1,23 +1,23 @@
 /*
-  include/common/version.h
-  This file serves as a template for future include files.
-
-  Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
-  
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation, version 2.1
-  exclusively.
-
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+ * include/common/version.h
+ * This file serves as a template for future include files.
+ *
+ * Copyright (C) 2000-2010 Willy Tarreau - w@1wt.eu
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, version 2.1
+ * exclusively.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 #ifndef _COMMON_VERSION_H
 #define _COMMON_VERSION_H
@@ -33,7 +33,7 @@
 #ifdef  CONFIG_PRODUCT_BRANCH
 #define PRODUCT_BRANCH    CONFIG_PRODUCT_BRANCH
 #else
-#define PRODUCT_BRANCH   "1.4"
+#define PRODUCT_BRANCH   "1.5"
 #endif
 
 #ifdef  CONFIG_PRODUCT_URL