Improvement: Minigame call order, fixed active state, added possibility to modify the EPOP

[Alf21]

• Added MINIGAME:ShowActivationEPOP() as a possibility to overwrite the EPOP with an own version
• Fixed active state
• Improved the minigame's call order
  • Added MINIGAME:PreInitialize()
  • Added MINIGAME:SetupData()
  • Added MINIGAME:Initialize()
• Fixed EPOP bug reasoned by #5
• Fixed incorrect ConVar replication (ULX) for ttt2_minigames_autostart_rounds and rep_ttt2_minigames_autostart_random ConVar
• Expanded the size of basic settings to allow for all ConVars to be visible
• Simplified a few labels to fix graphical bugs
• Added minigame enabled and minigame random chance ConVars to ULX menu
• Fixed wrong ConVar replication (ULX) order
• Added TTT2MinigamesLoaded hook

[Alf21]

@ZacharyHinds I will merge it as soon as you have approved/said, those changes are okay because it seems you using this base the most ^^