Add Admin and Permission check to /f perm (#1062)

* Remove perms Action

* Add Permission check to /f perm

* Refactor flight perm

* Add fly perm to GUI

* Remove useless perm check

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

@@ -34,7 +34,7 @@ public class CmdPerm extends FCommand {
         senderMustBePlayer = true;
         senderMustBeMember = true;
         senderMustBeModerator = false;
-        senderMustBeAdmin = false;
+        senderMustBeAdmin = true;
     }
 
     @Override