Temporarily removed Events documents.
Updated jsTree to version 3
Can now (again) insert empty structure tags
Fixed node/contents selection in tree
Improved requirejs config setup.
Added ref and resp to entity markup.
Added snippet to modules that required it.
Removed unused dialogs.
Fixed URIs for ref attributes.
Removed deleted dialogs.
More removing of deleted dialogs.
Fixed URIs for created entities.
Reworking XML & RDF modes.
Validation now uses new xpaths
Added XMLRDF mode to templates and samples
Added P tag to note template
Added entities to letter template
added entities to poem template
added entities to prose template
testing auto push and reverting changes to templates