id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
16000	Allow per-map setting of imagery.generic.*_expires	jidanni	team	"Please allow per-map setting of imagery.generic.*_expires.

Otherwise even if just one map on one site needs a different setting,
not only all the maps on that site are forced to use it,
every map on every site is too.

Compare
http://www.offline-maps.net/en/help/maps/stored/custom#advanced_example 's
per-map <update-delay> tag."	enhancement	new	normal		Core imagery			tms cache