Merge branch '0.7.x' into 0.8.x

Resolved Conflicts:
	lib/queuehandler.php
	lib/util.php
	theme/base/css/display.css

lib/util.php

@@ -519,11 +519,16 @@ function common_shorten_links($text)
 
 function common_shorten_link($url, $reverse = false)
 {
+
     static $url_cache = array();
     if ($reverse) return isset($url_cache[$url]) ? $url_cache[$url] : $url;
 
     $user = common_current_user();
-
+    if (!isset($user)) {
+      // common current user does not find a user when called from the XMPP daemon
+      // therefore we'll set one here fix, so that XMPP given URLs may be shortened
+      $user->urlshorteningservice = 'ur1.ca';
+    }
     $curlh = curl_init();
     curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
     curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
@@ -1019,7 +1024,7 @@ function common_root_url($ssl=false)
 function common_good_rand($bytes)
 {
     // XXX: use random.org...?
-    if (file_exists('/dev/urandom')) {
+    if (@file_exists('/dev/urandom')) {
         return common_urandom($bytes);
     } else { // FIXME: this is probably not good enough
         return common_mtrand($bytes);
@@ -1385,11 +1390,10 @@ function common_compatible_license($from, $to)
  */
 function common_database_tablename($tablename)
 {
-  
+
   if(common_config('db','quote_identifiers')) {
       $tablename = '"'. $tablename .'"';
   }
   //table prefixes could be added here later
   return $tablename;
 }
-