5534 add docker

public_html/deployment/classes/project.class.php

@@ -534,7 +534,7 @@ class project extends base {
      * @return string
      */
     public function getProjectGroup() {
-        return isset($this->_aPrjConfig["projectgroup"]) && $this->_aPrjConfig["projectgroup"] ? $this->_aPrjConfig["projectgroup"] : false;
+        return isset($this->_aPrjConfig["projectgroup"]) && $this->_aPrjConfig["projectgroup"]!='-1' ? $this->_aPrjConfig["projectgroup"] : false;
     }
     /**
      * get the group label of the project