xF2 Add-on [NixFifty] Tickets 2.6.4

Tickets 2.0.3 is now available for all licensed customers to download.

• Add support for ticket prefixes.
• Add support for multi-quoting.
• Provide additional and more consistent template hooks.
• Add support for Member Notes by Z61. Notes can be entered and displayed within tickets.
• Add a few missing phrases.
• Log what gets changed by escalations.
• Move escalation code out of transactions.
• Fixes for last reply is starter escalation criteria.
• Add the ability to lock and unlock tickets via escalations.
• Implement "View moderated" permission and approval handler for tickets and messages.
• Ensure message state handling is consistent.
• Re-organise admin navigation a little.
• Allow guest tickets/messages to be deleted if the guest group has the required permissions.
• Sort watched ticket list by last modified date, not ticket start date.
• Add missing bookmark item template.
• Tweaks to how priority editing is handled.
• Allow statuses to be disabled and deleted.
• Clean up and simplify ticket field positions.
• Tweaks to default data that is created on a fresh install.
• Add page criteria for ticket categories.
• Other minor fixes and improvements.