* Added a "Upload" functionnality in file browser.
* Fixed a problem with special chars filenames in file browser.
* Directories with no read permission are not clickable anymore in file browser.
* Both sockets and symlinks are not anymore shown writable in file browser.
* Added informations about web server in remote informations.
* Added check for PHP "safe_mode". If activated, phpRemoteShell can not run correctly.
* Some stylesheet fixes.