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
{
				TemplateParameterDefinition templateParam = (TemplateParameterDefinition) slot
						.getContent( i );
				if ( templateParam.getClientList( ).isEmpty( ) )
				{
					slot.remove( templateParam );
					
					
					module.manageId( templateParam, false );
					
					templateParam.setContainer( null, NO_SLOT );
				}
			}
		}
		
		this.nameManager.clear( );
	}
	/**
	 * Resolves element with the given element name and name space.
	 * <code>propDefn</code> gives the information that how to resolve the
	 * <code>elementName</code>.
	 * 
	 * @param elementName
	 *            name of the element
	 * @param nameSpace
	 *            name space
	 * @param propDefn
	 *            the property definition
	 * @return the resolved element if the name can be resolved, otherwise,
	 *         return null.