Bug 155509 ModuleHandle findResource method does not support .properties files
There is no fileType for .properties files in IResourceLocator
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
* @param element
	 *            element for which to create a unique name
	 */
	public void makeUniqueName( DesignElement element )
	{
		nameManager.makeUniqueName( element );
	}
	/**
	 * Returns a unique name for an element.
	 * 
	 * @param element
	 *            the given element.
	 * @return unique name of given element.
	 */
	public String getUniqueName( DesignElement element )
	{
		return nameManager.getUniqueName( element );
	}
	/**
	 * Gets the name manager of this module.
	 * 
	 * @return the name manager of this module
	 */
	public INameManager getNameManager( )
	{
		return nameManager;
	}
	/**
	 * Returns the file name of the module file.
	 *