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

README.md

@@ -0,0 +1,16 @@
+# Requirements
+
+Build-time:
+
+- GNU Make
+- curl
+- Perl (+ Pod::Simple)
+- pandoc
+
+Run-time (for the issue tracker):
+
+- Apache
+- Perl
+- TUWF
+- DBI
+- DBD::SQLite