- Moved all form validation to it's own function in schedule service

- Moved show creation to it's own function in schedule service

airtime_mvc/application/forms/AddShowAbsoluteRebroadcastDates.php

@@ -40,6 +40,14 @@ class Application_Form_AddShowAbsoluteRebroadcastDates extends Zend_Form_SubForm
         }
     }
 
+    public function isValid($formData) {
+        if (parent::isValid($formData)) {
+             return $this->checkReliantFields($formData);
+        } else {
+            return false;
+        }
+    }
+
     public function checkReliantFields($formData)
     {
         $noError = true;