Supreme Commander v3255 to v3260 patch

This patch upgrades Supreme Commander from v3255 to v3260 and adds three new units, makes couple of bug fixes and other changes.

Patch details:

New units!

- UEF T2 Bomber
- Aeon Guided Missile
- Cybran T2 Bomber


Bug fixes and other changes:

- Fixed an issue with Ferry Beacon guarding
- Visual tweaks to UEF shield effect
- Horde AI will now utilize T3 land units
- Performance improved when showing waypoint lines
- Fixed crash bug associated with air units refueling/repairing on air staging platforms
- Air superiority has been retuned across all three factions.