Use sitename on login page

htdocs/auth/lib.php

@@ -449,6 +449,7 @@ function auth_draw_login_page($message=null, Form $form=null) {
     }
     $smarty = smarty();
     $smarty->assign('login_form', $loginform);
+    $smarty->assign('loginmessage', get_string('loginto', 'mahara', get_config('sitename')));
     $smarty->display('login.tpl');
     exit;
 }

htdocs/lang/en.utf8/mahara.php

@@ -42,6 +42,7 @@ $string['confirmpassword'] = 'Confirm password';
 $string['loggedoutok'] = 'You have been logged out successfully';
 $string['login'] = 'Log In';
 $string['loginfailed'] = 'You have not provided the correct credentials to log in. Please check your username and password are correct.';
+$string['loginto'] = 'Log in to %s';
 $string['newpassword'] = 'New Password';
 $string['password'] = 'Password';
 $string['passworddesc'] = 'Your password';

htdocs/theme/default/templates/login.tpl

 {include file="header.tpl"}
 
-<h2>Log in to Mahara</h2>
+<h2>{$loginmessage}</h2>
 
 <div id="loginbox"></div>
 {$login_form}