Victory types

Below are all the possible GC victory types that can be added for the human/AI conditions
 * Galactic_All_Planets_Controlled
 * Galactic_Opponent_Controls_No_Planets
 * Galactic_Credits_Accrued
 * Galactic_Super_Weapon_Destruction
 * Galactic_Percentage_Control
 * Galactic_Conquer_Enemy_Homeworld_And_Leader
 * Galactic_Super_Weapon_Destroys_Last_Enemy_Planet
 * Galactic_Super_Weapon_Kills_Enemy_Leader
 * Galactic_Kill_Enemy_Leader
 * Galactic_Control_Named_Planets
 * Galactic_Cycles_Elapsed