Merge branch 'master' into tres

Conflicts:
	include/group.php
	include/text.php
	mod/acl.php
	mod/channel.php
	mod/connections.php
	mod/display.php
	mod/group.php
	mod/item.php
	mod/locs.php
	mod/network.php
	mod/photos.php
	mod/ping.php
	mod/starred.php
	mod/viewsrc.php

include/zot.php

@@ -1503,7 +1503,7 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false,$reque
 				// sent it to us originally. Ignore it if it came from another source
 				// (with potentially different permissions).
 				// only compare the last hop since it could have arrived at the last location any number of ways.
-				// Always accept empty routes. 
+				// Always accept empty routes and firehose items (route contains 'undefined') . 
 
 				$existing_route = explode(',', $r[0]['route']);
 				$routes = count($existing_route);
@@ -1515,10 +1515,13 @@ function process_delivery($sender,$arr,$deliveries,$relay,$public = false,$reque
 					$last_hop = '';
 					$last_prior_route = '';
 				}
+				
+				if(in_array('undefined',$existing_route) || $last_hop == 'undefined' || $sender['hash'] == 'undefined')
+					$last_hop = '';
 
 				$current_route = (($arr['route']) ? $arr['route'] . ',' : '') . $sender['hash'];
 
-				if($last_hop && $last_hop != $sender['hash'] && $sender['hash'] != 'undefined') {
+				if($last_hop && $last_hop != $sender['hash']) {
 					logger('comment route mismatch: parent route = ' . $r[0]['route'] . ' expected = ' . $current_route, LOGGER_DEBUG);
 					logger('comment route mismatch: parent msg = ' . $r[0]['id'],LOGGER_DEBUG);
 					$result[] = array($d['hash'],'comment route mismatch',$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>',$arr['mid']);
@@ -2404,7 +2407,7 @@ function build_sync_packet($uid = 0, $packet = null, $groups_changed = false) {
 		logger('packet: ' . print_r($packet,true),LOGGER_DATA);
 
 	if(! $uid)
-		$uid = local_user();
+		$uid = local_channel();
 
 	if(! $uid)
 		return;