added "sticky" topic facility to cause topics to always float at the top of

the topic list when it's set

setup/database.sql

@@ -328,6 +328,7 @@ CREATE TABLE topics (
     top_message INT DEFAULT 0,
     frozen TINYINT DEFAULT 0,
     archived TINYINT DEFAULT 0,
+    sticky TINYINT DEFAULT 0,
     createdate DATETIME NOT NULL,
     lastupdate DATETIME NOT NULL,
     name VARCHAR(128) NOT NULL,
@@ -508,6 +509,7 @@ INSERT INTO refaudit (type, descr) VALUES
     (314,     'Upload Message Attachment'),
     (315,     'Delete Conference'),
     (316,     'Move Message'),
+    (317,     'Set Topic Sticky'),
     (9999999, 'DUMMY');
 
 # Populate the Category table.