Add Linkage to CommonCore and implement SpigotLinker used in BauSystem

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/bau/BauInfoBauGuiItem.java

@@ -26,7 +26,6 @@ import de.steamwar.bausystem.linkage.specific.BauGuiItem;
 import de.steamwar.bausystem.region.FlagOptional;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.core.Core;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.linkage.Linked;
 import de.steamwar.sql.SteamwarUser;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/loadtimer/LoadtimerListener.java

@@ -23,7 +23,6 @@ import de.steamwar.bausystem.region.Region;
 import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.linkage.Linked;
 import org.bukkit.Material;
-import org.bukkit.entity.EntityType;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockPlaceEvent;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/ColorCommand.java

@@ -25,8 +25,6 @@ import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.region.RegionUtils;
 import de.steamwar.bausystem.region.flags.ColorMode;
 import de.steamwar.bausystem.region.flags.Flag;
-import de.steamwar.bausystem.region.utils.RegionExtensionType;
-import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.bausystem.utils.PasteBuilder;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeValidator;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/region/RegionScoreboardElement.java

@@ -23,12 +23,9 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.region.Region;
 import de.steamwar.bausystem.utils.ScoreboardElement;
 import de.steamwar.linkage.Linked;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 
-import java.io.File;
 import java.util.List;
-import java.util.Optional;
 
 @Linked
 public class RegionScoreboardElement implements ScoreboardElement {

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/script/event/EventListener.java

@@ -25,8 +25,6 @@ import de.steamwar.bausystem.features.script.ScriptRunner;
 import de.steamwar.bausystem.features.script.lua.SteamWarGlobalLuaPlugin;
 import de.steamwar.bausystem.features.script.lua.libs.StorageLib;
 import de.steamwar.bausystem.region.Region;
-import de.steamwar.bausystem.region.utils.RegionExtensionType;
-import de.steamwar.bausystem.region.utils.RegionType;
 import de.steamwar.core.TrickyTrialsWrapper;
 import de.steamwar.linkage.Linked;
 import org.bukkit.Bukkit;

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/techhider/TechHiderCommand.java

@@ -34,16 +34,12 @@ import de.steamwar.linkage.LinkedInstance;
 import de.steamwar.techhider.TechHider;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.Bukkit;
-import org.bukkit.Material;
 import org.bukkit.command.CommandSender;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
 
-import java.io.File;
 import java.util.*;
 import java.util.stream.Collectors;
 

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/items/NightVisionBauGuiItem.java

@@ -28,7 +28,6 @@ import de.steamwar.linkage.Linked;
 import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.inventory.ClickType;
-import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.PotionMeta;
 import org.bukkit.potion.PotionEffectType;