third GDI mission recreated in Lua
launch a Nod attack after 15 seconds
update weapons.yaml so that Laser damage is set to 360

balance change to make obelisk's damage fall more in line with the AGT's
Added RenderNameTag trait for actors
fixed a NullReferenceException on TilesetBuilder export

closes #4506
Reduced turret range values

Reduced Guard Tower weapon range from 6 to 5
Reduced Gun Turret weapon range from 6 to 5
Reduced Sam Site weapon range from 10 to 7
Reduced Advanced Guard Tower weapon range from 8 to 6
Reduced Obelisk of Light weapon range from 8.5 to 6.5
Reduce turret vision & Increase Build Time

Guard Tower
- Reduced vision from 7 to 6
- Increased buildtime from 12s to 24s

Gun Turret
- Reduced vision from 7 to 6
- Increased buildtime from 15s to 30s

SAM Site
- Increased buildtime from 18s to 36s

Advanced Guard Tower
- Reduced vision from 9 to 7
- Increased buildtime from 24s to 48s

Obelisk of Light
- Reduced vision from 8 to 7
- Increased buildtime from 36s to 52s
Added a camera to the A10. That spawns as they attack, and is destroyed as they leave
Added INotifyKilled to AttackBomber
Merge pull request #4721 from Smilex/A10_vision

closes #4696
closes #4687
Update CHANGELOG

#4721
Merge pull request #4714 from Mailaender/tile-export-nre

Fixed a NullReferenceException on TilesetBuilder export
removed demo.mix
Merge pull request #4750 from Mailaender/demo-mix

Removed demo.mix
Remove beacon from ion cannon and add to airstrike. Fixes #4732.
Adjusted AA Guns to fire their guns alternately at a high fire rate, and added contrails to their bullets.
Merge pull request #4756 from ScottNZ/aagun

AA gun polish
Merge pull request #4724 from RiderRockon/bleed

Reduced range and increased build time of static defense
Update CHANGELOG

#4724
Rebalanced Viceroids and Tiberium. PR number 4745.