Bug 153040 Template definition should be removed after the report item is deleted
Steps to reproduce: 1.New a report, extends lib.label 2.Convert the label to template report item, and revert it back to the report item 3.Delete the label 4.Remove the included library Expected result: Library can be removed Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.v20060808-0630 Error Code:Error.LibraryException.LIBRARY_HAS_DESCENDENTS Error Message:The library "Lib" can no be dropped because it has descendents "NewLabel" in the current module.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
* Sets name of group element.
	 * 
	 * @param content
	 *            group element.
	 * @param stack
	 *            activity stack.
	 * @param name
	 *            new group name.
	 */
	private void setGroupName( DesignElement content, ActivityStack stack,
			String name )
	{
		if ( name != null && !name.equals( content.getName( ) ) )
		{
			PropertyRecord propertyRecord = new PropertyRecord( content,
					IGroupElementModel.GROUP_NAME_PROP, name );
			stack.execute( propertyRecord );
		}
	}
	/**
	 * Determines if the slot can contain a given element with considering the
	 * context.
	 * 
	 * @param slotId
	 *            the slot id
	 * @param element
	 *            the element to insert
	 * @throws NameException
	 *             if name duplicate occurs
	 * @throws ContentException