Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
{
		nameManager.makeUniqueName( element );
	}
	/**
	 * Returns the file name of the module file.
	 * 
	 * @return the module file name. Returns null if the module has not yet been
	 *         saved to a file.
	 */
	public String getFileName( )
	{
		return fileName;
	}
	/**
	 * Sets the module file name. This method is only called by module reader,
	 * it's illegal to be called for other purpose.
	 * 
	 * @param newName
	 *            the new file name. It may contain relative/absolute path
	 *            information. But this name must include the file name with the
	 *            filename extension.
	 */
	public void setFileName( String newName )
	{
		fileName = newName;
	}
	/**
	 * Sets the UTF signature of this module file.
	 * 
	 * @param signature