making the error request message general so it can be used for both logout request and authnrequest

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@275 44740490-163a-0410-bde0-09ae8108e29a

dictionaries/error_CREATEREQUEST.php

@@ -2,7 +2,7 @@
 
 $lang = array(
 	'en'	=>	array(
-		'title'	=>	'Error creating AuthNRequest',
-		'descr'	=>	'An error occured when trying to create the authentication request.'
+		'title'	=>	'Error creating request',
+		'descr'	=>	'An error occured when trying to create the SAML request.'
 	)
 );
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