[3.0] Port kill exempt to 3.0

Essentials/src/messages.properties

@@ -182,6 +182,7 @@ kickDefault=Kicked from server
 kickExempt=\u00a74You can not kick that person.
 kickedAll=\u00a74Kicked all players from server.
 kill=\u00a76Killed\u00a7c {0}\u00a76.
+killExempt=\u00a74You can not kill {0}
 kitError2=\u00a74That kit does not exist or is improperly defined.
 kitError=\u00a74There are no valid kits.
 kitErrorHelp=\u00a74Perhaps an item is missing a quantity in the configuration?

Essentials/src/net/ess3/commands/Commandkill.java

@@ -20,6 +20,10 @@ public class Commandkill extends EssentialsCommand
 
 		for (IUser matchPlayer : ess.getUserMap().matchUsersExcludingHidden(args[0], getPlayerOrNull(sender)))
 		{
+			if (Permissions.KILL_EXEMPT.isAuthorized(matchPlayer) && !Permissions.KILL_FORCE.isAuthorized(sender))
+			{
+				throw new Exception(_("killExempt", matchPlayer.getName()));
+			}
 			final Player player = matchPlayer.getPlayer();
 			final EntityDamageEvent ede = new EntityDamageEvent(
 					player, sender instanceof IUser && sender.getName().equals(

Essentials/src/net/ess3/permissions/Permissions.java

@@ -68,6 +68,7 @@ public enum Permissions implements IPermission
 	KICK_EXEMPT,
 	KICK_NOTIFY,
 	KILL_FORCE,
+	KILL_EXEMPT,
 	LIST_HIDDEN,
 	LIGHTNING_OTHERS,
 	MAIL,