made installing `--with-httpd` optional
+func: added command `c3archives-serve`
set cookie for most recent resultSet
added generic functions for set/get cookie
added method to get most recent resultSet from cookie

removed obsolete method lastResultSet()
add search results in left column when emailing
return 404 page when record not found
add search results in left column of detailed when no ToC
fix resultSet links in detailed display left column
replacements in HTML to fix utility bar links
enabled summary request by recid