FreeNAS Code

Merge r5173 through r5199.
(except kernel config, patch)

Modify for XHTML validation.
(disks menu and services menu and misc)
For more check, use Markup Validation Service:
http://validator.w3.org/

Add Language in filechooser.php
Support ZFS v13 in disks_zfs_config.php disks_zfs_config_current.php disks_zfs_config_sync.php
Increase input width in disks_manage_iscsi_edit.php

Modify WebGUI look and fix rendering bug in table header.

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.

Get rid of errors described here: http://apps.sourceforge.net/phpbb/freenas/viewtopic.php?f=92&t=2293&sid=439490061028970163884d501adf95f3

Comment: I never had such problems, so i do not know where the problem exactly is. Hopefully these code changes will fix that forever.

Fix render bug in table header (BR 2793833).

Refactor code.

Improve mount point handling and combobox.

Refactor code.