Added enderman pickup to sign protection

Essentials/src/com/earth2me/essentials/Essentials.java

@@ -182,6 +182,7 @@ public class Essentials extends JavaPlugin implements IEssentials
 
 		final SignEntityListener signEntityListener = new SignEntityListener(this);
 		pm.registerEvent(Type.ENTITY_EXPLODE, signEntityListener, Priority.Low, this);
+		pm.registerEvent(Type.ENDERMAN_PICKUP, signEntityListener, Priority.Low, this);
 
 		final EssentialsEntityListener entityListener = new EssentialsEntityListener(this);
 		pm.registerEvent(Type.ENTITY_DAMAGE, entityListener, Priority.Lowest, this);

Essentials/src/com/earth2me/essentials/signs/EssentialsSign.java

@@ -178,6 +178,11 @@ public class EssentialsSign
 		return false;
 	}
 	
+	public boolean onBlockBreak(final Block block, final IEssentials ess)
+	{
+		return true;
+	}
+
 	public boolean onBlockExplode(final Block block, final IEssentials ess)
 	{
 		return true;

Essentials/src/com/earth2me/essentials/signs/SignEntityListener.java

@@ -3,6 +3,8 @@ package com.earth2me.essentials.signs;
 import com.earth2me.essentials.IEssentials;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
+import org.bukkit.event.entity.EndermanPickupEvent;
+import org.bukkit.event.entity.EndermanPlaceEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.EntityListener;
 
@@ -40,4 +42,33 @@ public class SignEntityListener extends EntityListener
 			}
 		}
 	}
+
+	@Override
+	public void onEndermanPickup(EndermanPickupEvent event)
+	{
+		if (event.isCancelled() || ess.getSettings().areSignsDisabled())
+		{
+			return;
+		}
+
+		final Block block = event.getBlock();
+		if (((block.getType() == Material.WALL_SIGN
+			  || block.getType() == Material.SIGN_POST)
+			 && EssentialsSign.isValidSign(new EssentialsSign.BlockSign(block)))
+			|| EssentialsSign.checkIfBlockBreaksSigns(block))
+		{
+			event.setCancelled(true);
+			return;
+		}
+		for (Signs signs : Signs.values())
+		{
+			final EssentialsSign sign = signs.getSign();
+			if (sign.getBlocks().contains(block.getType())
+				&& !sign.onBlockBreak(block, ess))
+			{
+				event.setCancelled(true);
+				return;
+			}
+		}
+	}	
 }

Essentials/src/com/earth2me/essentials/signs/SignProtection.java

@@ -301,6 +301,14 @@ public class SignProtection extends EssentialsSign
 		return false;
 	}
 	
+	@Override
+	public boolean onBlockBreak(final Block block, final IEssentials ess)
+	{
+		final SignProtectionState state = isBlockProtected(block, null, null, false);
+
+		return state == SignProtectionState.NOSIGN;
+	}
+
 	@Override
 	public boolean onBlockExplode(final Block block, final IEssentials ess)
 	{