Fix Fatal error: Access to undeclared static property: Theme::$parent_theme in /oc/common/classes/oc/view.php:77

Fix Fatal error: Access to undeclared static property: Theme::$parent_theme in /oc/common/classes/oc/view.php on line 77
Merge pull request #41 from emanwebdev/patch-4

Fix Fatal error: Access to undeclared static property: Theme::$parent_th...