Updates to Age files from last week of Aug-first week of Sept

	new file:   agebycoverhists.py
	modified:   agefunctions_draft1.py
		Updated with script to create the condition-age layer
	modified:   agelookuptable.csv
		Updated after review of all descriptions and inclusive of nonseral age
	modified:   maxagecount.xlsx
		Updated after review of all descriptions and fixing of nonseral age
renew commitment to github

updates as of 11/02/2014