CC-2511:Phone Home Metric: add error display on popup

- refactoring was needed to solve this problem.
- javascript error check is not necessary anymore.
- The form is preloaded to nowplaying page, only when
it's needed, hence ajax call to pull up the form is not
needed anymore.

airtime_mvc/application/forms/RegisterAirtime.php

@@ -5,7 +5,7 @@ class Application_Form_RegisterAirtime extends Zend_Form
 
     public function init()
     {
-        $this->setAction('/Preference/register');
+        $this->setAction('/Nowplaying');
         $this->setMethod('post');
         
 		$country_list = Application_Model_Preference::GetCountryList();
@@ -95,14 +95,14 @@ class Application_Form_RegisterAirtime extends Zend_Form
 		$upload = new Zend_Form_Element_File('Logo');
 		$upload->setLabel('Station Logo:')
 				->setRequired(false)
-				->setDecorators(array('File'));
-				/*->addValidator('Count', false, 1)
+				->setDecorators(array('File'))
+				->addValidator('Count', false, 1)
 				->addValidator('Extension', false, 'jpg,png,gif')
 				->addValidator('ImageSize', false, array(
 					'minwidth'	=> 200,
 					'minheight'	=> 200,
 					'maxwidth'	=> 600,
-					'maxheight'	=>	600));*/
+					'maxheight'	=>	600));
 		$this->addElement($upload);
 		
         //enable support feedback