Rewrite to static site

With a complete reorganisation of the directory structure and most of
the content converted to pandoc-flavoured markdown.

Some TODO's left before this can go live:
- Main page
- Atom feeds
- Bug tracker

mkchangelog.pl

@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+($project) = (shift =~ /^([^ \/]+)/);
+$title = shift;
+
+print "---\ntitle: $title\npage-type: changelog\n...\n";
+
+for (split /\n\n/, join '', <>) {
+    s/^([0-9]+\.[0-9]+(?:\.[0-9]+)?)\s+-\s+([0-9]{4}-[0-9]{2}-[0-9]{2})//;
+    print "\n-   **$1** - $2";
+    $dl = "$project-$1.tar.gz";
+    print " - [dllink $dl]" if -f "pub/download/$dl";
+    print "\n";
+
+    for (split /\r?\n\s+-\s+/) {
+        s/([*_\\])/\\$1/g;
+        print "    - $_\n" if $_;
+    }
+}