Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/Command.java
Comparable {
	/**
	 * This flag can be set to <code>true</code> if commands should print
	 * information to <code>System.out</code> when executing.
	 */
	public static boolean DEBUG_COMMAND_EXECUTION = false;
	/**
	 * This flag can be set to <code>true</code> if commands should print
	 * information to <code>System.out</code> when changing handlers.
	 */
	public static boolean DEBUG_HANDLERS = false;
	/**
	 * This flag can be set to a particular command identifier if only that