FreeNAS Code

Modify for XHTML validation.
(diagnostics menu and advanced menu)
Fix diagnostic iSCSI initiator doesn't work.

Hardening WebGUI to prevent cross-site request forgery attacks (JPCERT/CC JVN#15267895).

Make sure it is not possible to execute anything if session has been timed out. Because of that 'auth.inc' MUST be included at FIRST in EACH php script.

Fix JPCERT/CC JVN#89791790 (Cross-site scripting vulnerability).

Add get_filesize function to fix PHP problem with files > 2GB.

Fix rendering problem.

Add missing translations.

Add quixplorer link to WebGUI 'Advanced|File Manager'.

Adapt WebGUI layout to new style.

Fix typos.