pfSense

Address some security issues in diag_logs.php. While I'm here, fixup page names and shortcuts.

Change Form_TextArea to Form_Textarea
(autoload now makes the classes case sensitive)

Fixed #5505

Fixed #5521

IPSec statistis updated dynamically
Partial fix to #5520

Interface widget icon adjustments

Use some icons here that have a somewhat more relevant appearance (no exact matches, unfortunately)

Don't reuse $icon here - results should be two different icons. Fixes #5519

Completed #5407

Teach pfSense-upgrade to run gitsync after upgrade