db: use builtin classloader, lowercase class files

classes/Db/Abstract.php

@@ -1,56 +0,0 @@
-<?php
-
-abstract class Db_Abstract implements Db_Interface
-{
-    private $dbconn;
-    protected static $instance;
-
-    private function __construct() { }
-
-    public static function instance()
-    {
-        if (is_null(static::$instance)) {
-            static::$instance = new static();
-        }
-
-        return static::$instance;
-    }
-
-    public function connect($host, $user, $pass, $db) { }
-
-    public function getLink()
-    {
-        return $this->dbconn;
-    }
-
-    public function init() { }
-
-    public function escape_string($s, $strip_tags = true) { }
-
-    public function query($query, $die_on_error = true) { }
-
-    public function fetch_assoc($result) { }
-
-    public function num_rows($result) { }
-
-    public function fetch_result($result, $row, $param) { }
-
-    public function unescape_string($str)
-    {
-        $tmp = str_replace("\\\"", "\"", $str);
-        $tmp = str_replace("\\'", "'", $tmp);
-        return $tmp;
-    }
-
-    public function close() { }
-
-    public function affected_rows($result) { }
-
-    public function last_error() { }
-
-    public function quote($str)
-    {
-        return("'$str'");
-    }
-
-}