Bug 188829 Move the item ,the trans of the model don't close.
1:New report design. 2:Add a Embedded image. 3:Add another imge , then drag the second imge to the first position. 4:Change the size of the first image. Expected: Image change the size. Now: Image size don't change.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
doDelectAction( oldElement );
			
			TemplateCommand cmd = new TemplateCommand( module, focus );
			cmd.checkAdd( newElement );
			
			stack.execute( replaceRecord );
			addElementNames( newElement );
		}
		catch ( ContentException e )
		{
			stack.rollback( );
			throw e;
		}
		catch ( NameException e )
		{
			stack.rollback( );
			throw e;
		}
		catch ( SemanticException e )
		{
			stack.rollback( );
			throw e;
		}
		stack.commit( );
	}
	/**
	 * Does some actions when the content is removed from the design tree.
	 * 
	 * @param content
	 *            the content to remove