make blocked modules a globally accessible variable

as suggested by review

phprojekt/application/Default/Controllers/JsController.php

@@ -338,8 +338,9 @@ private function _processModuleDirectory($path)
         $output = "";
         $files = scandir($path);
         foreach ($files as $file) {
-            if ($file != '.'  && $file != '..' && $file != 'Default' && $file != 'Calendar'
-                    && is_dir($path . '/' . $file . '/Views')) {
+            if ($file != '.'  && $file != '..' && $file != 'Default' &&
+                    !in_array($file, Phprojekt::getInstance()->getBlockedModuleNames()) &&
+                    is_dir($path . '/' . $file . '/Views')) {
                 if (is_dir($path . $file . '/Views/dojo/scripts/')) {
                     $scripts = scandir($path . $file . '/Views/dojo/scripts/');
                 } else {

phprojekt/library/Phprojekt.php

@@ -119,6 +119,13 @@ class Phprojekt
      */
     protected $_view;
 
+    /**
+     * Array of blocked Modules.
+     *
+     * @var Array
+     */
+    protected $_blockedModules = array("Calendar");
+
     /**
      * Returns the current version of PHProjekt.
      *
@@ -1017,6 +1024,16 @@ public static function checkExtensionsAndSettings()
                      'recommendations' => $recommendations);
     }
 
+    /**
+     * Returns a list of modules that should be blocked explicitely.
+     *
+     * @return array    Array of bocked module names
+     */
+    public function getBlockedModuleNames()
+    {
+        return $this->_blockedModules;
+    }
+
     private function _dieWithInternalServerError()
     {
         $response = new Zend_Controller_Response_Http();