Deprecate old system, still in use by WG/CB

worldedit-bukkit/src/main/java/com/sk89q/bukkit/util/CommandsManagerRegistration.java

@@ -31,6 +31,8 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 
+@Deprecated
+@SuppressWarnings("deprecation")
 public class CommandsManagerRegistration extends CommandRegistration {
 
     protected CommandsManager<?> commands;

worldedit-bukkit/src/main/java/com/sk89q/bukkit/util/DynamicPluginCommand.java

@@ -35,6 +35,7 @@ import java.util.List;
 /**
 * An implementation of a dynamically registered {@link org.bukkit.command.Command} attached to a plugin
 */
+@SuppressWarnings("deprecation")
 public class DynamicPluginCommand extends org.bukkit.command.Command implements PluginIdentifiableCommand {
 
     protected final CommandExecutor owner;

worldedit-bukkit/src/main/java/com/sk89q/bukkit/util/DynamicPluginCommandHelpTopic.java

@@ -30,6 +30,7 @@ import org.bukkit.help.HelpTopicFactory;
 
 import java.util.Map;
 
+@SuppressWarnings("deprecation")
 public class DynamicPluginCommandHelpTopic extends HelpTopic {
 
     private final DynamicPluginCommand cmd;