Protection, Placeholder and fix

Add :
- PlaceHolder %faction_name_at_location%
- Add protection with farm land
- Add protection to shulkers, to beacon, cauldron and brewing stand
- Add protection with bone meal
- Convert permission for the command

Fix :
- Console /f list
- Console /f show
- Claim with Wilderness is unclaim the land
- Dynmap players.admins and players.admins.count is for co-leader. The leader already have players.leader and a faction have one leader only

Optimization

src/main/java/com/massivecraft/factions/cmd/CmdConvert.java

@@ -2,6 +2,7 @@ package com.massivecraft.factions.cmd;
 
 import com.massivecraft.factions.Conf;
 import com.massivecraft.factions.Conf.Backend;
+import com.massivecraft.factions.struct.Permission;
 import com.massivecraft.factions.zcore.persist.json.FactionsJSON;
 import com.massivecraft.factions.zcore.util.TL;
 import org.bukkit.command.ConsoleCommandSender;
@@ -11,6 +12,8 @@ public class CmdConvert extends FCommand {
     public CmdConvert() {
         this.aliases.add("convert");
 
+        this.permission = Permission.CONVERT.node;
+        
         this.requiredArgs.add("[MYSQL|JSON]");
     }