- implemented screenshot handling, inclding

* editing after upload
  * reputation gain for approved uploads
  * moderator interface (albeit a bit wonky)

I still do not speak French, Spanish or Russian, so translations are
appreciated

setup/updates/03_screenshots.sql

@@ -0,0 +1,16 @@
+DROP TABLE IF EXISTS `aowow_screenshots`;
+CREATE TABLE IF NOT EXISTS `aowow_screenshots` (
+    `id` int(16) unsigned NOT NULL AUTO_INCREMENT,
+    `type` tinyint(4) unsigned NOT NULL,
+    `typeId` mediumint(9) NOT NULL,
+    `uploader` int(16) unsigned NOT NULL,
+    `date` int(32) unsigned NOT NULL,
+    `width` smallint(5) unsigned NOT NULL,
+    `height` smallint(5) unsigned NOT NULL,
+    `caption` varchar(250) DEFAULT NULL,
+    `status` tinyint(3) unsigned NOT NULL COMMENT 'see defines.php - CC_FLAG_*',
+    `approvedBy` int(16) unsigned DEFAULT NULL,
+    `deletedBy` int(16) unsigned DEFAULT NULL,
+    PRIMARY KEY (`id`),
+    KEY `type` (`type`,`typeId`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;