pjax: Destroy redactor boxes on PJAX navigation
redactor: Don't show [draft saved] for empty content
pjax: Don't refresh ticket queue during adv search

If the advanced search dialog is up, avoid refreshing the page
 pjax: Cancel auto refresh on manual refresh
oops: Fix $this usage in static function
Make 'Your Information' on new ticket translatable
Canceling implies deleting saved drafts
Truncate thread messages that cannot be sent to db
draft: Clean old, never-updated drafts
draft: Show alarming warning on failed auto-save
orm: Handle error executing prepared statement
Merge pull request #943 from greezybacon/issue/triage-190

Fix several observed issues

Reviewed-By: Peter Rotich <peter@osticket.com>