Merge branch 'master' into develop
changes per issue #9 and issue #10, idref for xref, anchor, footnote, endnote in sam
need to explicitly allow footnote/endnote as children of sam
adding secondary grouping for paragraph-level elements to elements
added special spacing definition for structure tags
modified recipe body definitions since they behave differently according to @wklump
breaking out letter subcategories
fixed spacing profile for nll
need to list parent structure for footnote, endnote
Merge remote-tracking branch 'origin/articulator301' into develop
Merge branch 'develop'