This method returns the name of the monthly report file.
The subdirectory is the name of the year, and the
file's name is self.yyyy_mm plus the
standard HTML extension.
# - - - M o n t h C e l l . f i l e N a m e
def fileName ( self ):
'''Return this month's page's relative path.
'''
return ( '%s/%s%s' %
(self.yearRow.yyyy, self.yyyy_mm, HTML_EXT) )