Fixed a bug where ancient mega-jumpdrive could be built.

Added some small events.
Updated some models.
Gravity Weapon Bombardment will not trigger too many event dialogs.
Added councilor modifier for Star in Aurora AI Leader.
Ancient AI Military Node provides Ship Upkeep reduction.

Added some small events.
Reverse engineering of Key of Twilight requires more technologies.
Added more slots for Advanced Colonizer.
Updated some portraits of ancient AI.
Fixed a bug where cancel Industrial City World will remove all districts.
Fixed a bug where Vacuous Harbor's position is incorrect if it enters system by other means except Jump.
Fixed some localisation errors.

Fixed a bug that salvaged Starlight Custodian could not be correctly protected like other ancient titans。
Fixed a bug where Starlight-II's special trait could be incorrectly give to some special leaders.

Starlight-II's subsystems will give leaders a static trait.

Starlight-II will be protected like ancient titans.
Fixed a bug where protection system of ancient ships could not be triggered correctly.

Fixed a bug where Vacuous Harbor could be build in system with star scale megastructure.
Fixed a bug where protection system of ancient ships could not be triggered correctly.

Fixed a bug where Vanilla Ringworld could be built in Ancient Ringworld's system.

Added some small events.
Environment Control Facility could provide clear blocker speed bonus.
Starlight-II and Illustella could provide information about Star in Aurora.
When Starlight-II ship has been destroyed, its AI has chance to survive.
Gestalt nolonger need consumer goods to explor ancient ruins.
Fixed a bug where after event could not be triggered correctly if Illusory Stella entered Kappa-I Coordinate too early.
Fixed some localisation errors.

Update some ship components.
Fixed some localisation errors.