Fix references to CSS

install/install_functions.inc.php

@@ -826,7 +826,7 @@ function hesk_iHeader()
     <link href="../hesk_style.css?<?php echo HESK_NEW_VERSION; ?>" type="text/css" rel="stylesheet" />
     <link rel="stylesheet" href="../css/bootstrap.css">
     <link rel="stylesheet" href="../css/bootstrap-theme.css">
-    <link href="../css/hesk_newStyle.php" type="text/css" rel="stylesheet" />
+    <link href="../css/hesk_newStyle.css" type="text/css" rel="stylesheet" />
 	<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
     <script src="../js/jquery-1.10.2.min.js"></script>
     <script language="Javascript" type="text/javascript" src="../hesk_javascript.js?<?php echo HESK_NEW_VERSION; ?>"></script>

install/mods-for-hesk/installModsForHesk.php

@@ -93,7 +93,7 @@ function printRow($version)
     <link href="<?php echo HESK_PATH; ?>css/bootstrap-theme.css?v=<?php echo $hesk_settings['hesk_version']; ?>"
           type="text/css" rel="stylesheet"/>
     <link href="//netdna.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
-    <link href="../../css/hesk_newStyle.php" type="text/css" rel="stylesheet"/>
+    <link href="../../css/hesk_newStyle.css" type="text/css" rel="stylesheet"/>
     <script src="<?php echo HESK_PATH; ?>js/jquery-1.10.2.min.js"></script>
     <script language="Javascript" type="text/javascript" src="<?php echo HESK_PATH; ?>js/bootstrap.min.js"></script>
     <script language="Javascript" type="text/javascript"

install/mods-for-hesk/uninstallModsForHesk.php

@@ -28,7 +28,7 @@ function printUninstallRow($text, $id)
     <link href="<?php echo HESK_PATH; ?>css/bootstrap-theme.css?v=<?php echo $hesk_settings['hesk_version']; ?>"
           type="text/css" rel="stylesheet"/>
     <link href="//netdna.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet">
-    <link href="../../css/hesk_newStyle.php" type="text/css" rel="stylesheet"/>
+    <link href="../../css/hesk_newStyle.css" type="text/css" rel="stylesheet"/>
     <script src="<?php echo HESK_PATH; ?>js/jquery-1.10.2.min.js"></script>
     <script language="Javascript" type="text/javascript" src="<?php echo HESK_PATH; ?>js/bootstrap.min.js"></script>
     <script language="Javascript" type="text/javascript"