URD 0.5.1 released

URD is back. With a vengearce. Mostly a bug fix release. But also a couple of new features and a further improved layout.

Also the website has been updated with an entirely fresh look : http://www.urdland.com

The Changes are:
- Bug fix in setting directory permissions
- Update buttons look in default template
- New logo
- Logfile line count bug fix
- Fix a nasty bug in installer
- Fix a couple of bugs in parsing NZB files
- Implemented RSS (2.0) support
- new buttons
- added debug.php to show config information
- improved XSRF protection vs usability
- A couple of minor bugs here and there