Rename directory to better suit the moving time.

Kind of also fix the apache conf, but not quite.

old-projects/algo/themes/indexes.php

@@ -0,0 +1,9 @@
+<?php
+/* This file keeps an index of the titles of current themes
+   and gives them to the JavaScript environment when requested */
+$title = urldecode($_GET['title']);
+$type = urldecode($_GET['type']);
+
+$u['Default'] = 'default.css';
+$u['Developer'] = 'dev.css';
+?>