Index: trunk/core/units/languages/languages_config.php
===================================================================
diff -u -N -r8007 -r8015
--- trunk/core/units/languages/languages_config.php	(.../languages_config.php)	(revision 8007)
+++ trunk/core/units/languages/languages_config.php	(.../languages_config.php)	(revision 8015)
@@ -147,16 +147,16 @@
 										'PackName' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
 										'LocalName' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
 										'Enabled' => Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array(0 => 'la_Disabled', 1 => 'la_Enabled'), 'use_phrases' => 1, 'not_null' => 1, 'default' => 1),
-										'PrimaryLang' => Array('type' => 'int','not_null' => '1','default' => '0'),
-										'IconURL' => Array('type' => 'string','default' => ''),
+										'PrimaryLang' => Array('type' => 'int', 'not_null' => 1, 'default' => 0),
+										'IconURL' => Array('type' => 'string','default' => null),
 										'DateFormat' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
 										'TimeFormat' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
 										'InputDateFormat' => Array('type' => 'string', 'formatter' => 'kOptionsFormatter', 'options' => Array('m/d/Y' => 'm/d/Y', 'd/m/Y' => 'd/m/Y'),  'not_null' => '1','default' => 'm/d/Y', 'required' => 1),
       									'InputTimeFormat' => Array('type' => 'string', 'formatter' => 'kOptionsFormatter', 'options' => Array('g:i:s A' => 'g:i:s A', 'g:i A' => 'g:i A', 'H:i:s' => 'H:i:s', 'H:i' => 'H:i' ), 'not_null' => '1','default' => 'g:i:s A', 'required' => 1),
-										'DecimalPoint' => Array('type' => 'string','not_null' => '1','default' => ''),
-										'ThousandSep' => Array('type' => 'string','not_null' => '1','default' => ''),
+										'DecimalPoint' => Array('type' => 'string','not_null' => 1, 'default' => ''),
+										'ThousandSep' => Array('type' => 'string','not_null' => 1, 'default' => ''),
 										'Charset' => Array('type' => 'string','not_null' => '1','default' => '','required'=>1),
-										'UnitSystem' => Array('type' => 'int','not_null' => '1','default' => '1','formatter' => 'kOptionsFormatter','options' => Array(1 => 'la_Metric', 2 => 'la_US_UK'),'use_phrases' => 1),
+										'UnitSystem' => Array('type' => 'int','not_null' => 1, 'default' => 1, 'formatter' => 'kOptionsFormatter','options' => Array(1 => 'la_Metric', 2 => 'la_US_UK'),'use_phrases' => 1),
 								),
 
 					'VirtualFields'	=> 	Array(