@ tag completion enhancements, show url on hover and respect custom attags

database.sql

@@ -100,6 +100,13 @@ CREATE TABLE IF NOT EXISTS `contact` (
   PRIMARY KEY (`id`),
   KEY `uid` (`uid`),
   KEY `self` (`self`),
+  KEY `network` (`network`),
+  KEY `name` (`name`),
+  KEY `nick` (`nick`),
+  KEY `attag` (`attag`),
+  KEY `url` (`url`),
+  KEY `addr` (`addr`),
+  KEY `batch` (`batch`),
   KEY `issued-id` (`issued-id`),
   KEY `dfrn-id` (`dfrn-id`),
   KEY `blocked` (`blocked`),