misc fixes:

- extAuth should be expected in config/ and not /config/
 - fixed copy/paste-error preventing purge of memcached pages
 - fixed 'text-shadow' on red-buttons

includes/user.class.php

@@ -283,10 +283,10 @@ class User
             }
             case AUTH_MODE_EXTERNAL:
             {
-                if (!file_exists('/config/extAuth.php'))
+                if (!file_exists('config/extAuth.php'))
                     return AUTH_INTERNAL_ERR;
 
-                require '/config/extAuth.php';
+                require 'config/extAuth.php';
                 $result = extAuth($name, $pass, $extId);
 
                 if ($result == AUTH_OK && $extId)

pages/genericPage.class.php

@@ -680,7 +680,7 @@ class GenericPage
         if (CFG_CACHE_MODE & CACHE_MODE_MEMCACHED)
         {
             // on &refresh also clear related
-            if ($this->skipCache == CACHE_MODE_FILECACHE)
+            if ($this->skipCache == CACHE_MODE_MEMCACHED)
             {
                 $oldMode = $this->mode;
                 for ($i = 1; $i < 5; $i++)                  // page (1), tooltips (2), searches (3) and xml (4)

static/css/aowow.css

@@ -3017,7 +3017,7 @@ a.button-red i {
     left: -1px;
     top: 2px;
     z-index: 1;
-    font-style: normal;
+    /* font-style: normal; sarjuuk: breaks textShadow*/
     color: black;
 }