Release of 1.9.2.

Bugfixes
- Bug when useing XAMPP as the server
-- Removed use of old mime-content-type(string) method because its
deprecated.
- Bug fix when you tried to copy a file containing a sub sub [...]
directory

Feature additions
- Copy of directories now supported
- Mainteance mode added
- Guest account support added
- New configuration values added
- Moved any possible settings value out of Program.inc.php
- Removed the title "cloud storage" out of the logo, because Redundancy
is not a service, its a program ;).
- Added a small manual how to install redundancy on a webserver. A
bigger manual (with pictures) will follow.

The rating of this build is still "unstable". Use with caution!