messaging MDL-22320 new strings for new messaging UI. According to the amos doco I apparently don't have to do any amos for new strings.

lang/en/message.php

@@ -35,6 +35,7 @@ $string['backupmessageshelp'] = 'If enabled, then instant messages will be inclu
 $string['beepnewmessage'] = 'Beep on new message';
 $string['blockcontact'] = 'Block contact';
 $string['blockedmessages'] = '{$a} message(s) to/from blocked users';
+$string['blockedusers'] = 'Blocked users ({$a})';
 $string['blocknoncontacts'] = 'Block unknown users';
 $string['cannotsavemessageprefs'] = 'Could not save user messaging preferences';
 $string['contactlistempty'] = 'Your contact list is currently empty';
@@ -57,10 +58,13 @@ $string['keywords'] = 'Keywords';
 $string['keywordssearchresults'] = 'Search results: {$a} messages found';
 $string['loggedin'] = 'Online';
 $string['loggedoff'] = 'Not online';
+$string['managecontacts'] = 'Manage my contacts';
+$string['mostrecent'] = 'Most recent messages';
 $string['mailsent'] = 'Your message was sent via email.';
 $string['maxmessages'] = 'Maximum number of messages to show in the discussion history';
 $string['message'] = 'Message';
 $string['messagehistory'] = 'Message history';
+$string['messagehistoryfull'] = 'Full history';
 $string['messages'] = 'Messages';
 $string['messaging'] = 'Messaging';
 $string['messagingdisabled'] = 'Messaging is disabled on this site, emails will be sent instead';
@@ -89,6 +93,7 @@ $string['savemysettings'] = 'Save my settings';
 $string['search'] = 'Search';
 $string['searchforperson'] = 'Search for a person';
 $string['searchmessages'] = 'Search messages';
+$string['searchcombined'] = 'Search people and messages';
 $string['sendmessage'] = 'Send message';
 $string['sendmessageto'] = 'Send message to {$a}';
 $string['sendmessagetopopup'] = 'Send message to {$a} - new window';