CC-4090: Make code style PSR compliant

-removed all trailing whitespace in forms directory
-replace all tabs with 4 spaces

airtime_mvc/application/forms/customvalidators/ConditionalNotEmpty.php

@@ -4,34 +4,34 @@
  * Check if a field is empty but only when specific fields have specific values
  */
 class ConditionalNotEmpty extends Zend_Validate_Abstract {
-    
+
     const KEY_IS_EMPTY   = 'keyIsEmpty';
-    
+
     protected $_messageTemplates = array(
         self::KEY_IS_EMPTY   => 'Value is required and can\'t be empty'
     );
-    
+
     protected $_fieldValues;
-    
+
     /**
      * Constructs a new ConditionalNotEmpty validator.
-     * 
+     *
      * @param array $fieldValues - the names and expected values of the fields we're depending on;
      * E.g., if we have a field that should only be validated when two other
-     * fields PARENT_1 and PARENT_2 have values of '1' and '0' respectively, then 
+     * fields PARENT_1 and PARENT_2 have values of '1' and '0' respectively, then
      * $fieldValues should contain ('PARENT_1'=>'1', 'PARENT_2'=>'0')
      */
     public function __construct($fieldValues)
     {
         $this->_fieldValues = $fieldValues;
     }
-    
+
     /**
      * Implements Zend_Validate_Abstract.
      * Given names and expected values of the fields we're depending on ($_fieldValues),
      * this function returns true if the expected values doesn't match the actual user input,
      * or if $value is not empty. Returns false otherwise.
-     * 
+     *
      * @param String $value - this field's value
      * @param array $context - names and values of the rest of the fields in this form
      * @return boolean - true if valid; false otherwise
@@ -41,7 +41,7 @@ class ConditionalNotEmpty extends Zend_Validate_Abstract {
         if ($value != "") {
             return true;
         }
-        
+
         if (is_array($context)) {
             foreach($this->_fieldValues as $fieldName=>$fieldValue) {
                 if (!isset($context[$fieldName]) || $context[$fieldName] != $fieldValue) {
@@ -53,7 +53,7 @@ class ConditionalNotEmpty extends Zend_Validate_Abstract {
                 return true;
             }
         }
-        
+
         $this->_error(self::KEY_IS_EMPTY);
         return false;
     }