update site base template so every page is exposed as a schema:WebPage (overridable)
decrease admin prep xml cache time even further
correction for name type detectors; add mapping to name in series unittitle
expand/revise ead template tags to better support rdfa output, including for belfast group sheets [#46496125]
remove outdated fixme
update container list template to expose belfast group sheet information via rdfa [#46496125]
refine series-level description rdfa handling to work better with belfast group sheets [#46496125]
add some default namespaces to support rdfa output [#46496125]