Fixes and new Quest

Yes I know we skipped a few minor versions, no big deal.

Fixes:

• Fixed M4 carry handle issues everywhere (Thanks Bushtail)
• Added Russian and Chinese locales (Thank you Akame, Evgeniy)
• Updated URX3 textures
• Remastered AK handguards
• Remastered Geissele Mk4 and Mk16 handguards
• Removed a few unused IDs (Thanks Archangel)
• Renamed a few assets here and there to differentiate between backported items and mine.

Added:

• Steiner Dbal D2
• "Castle Doctrine" quest for badger