introducing the general notion of a  and applying it to name part
introducing the fact qualifier
simpler confidence levels
multimedia link reset: using SourceReference, SourceDescription types
adding language to support the notion of a 'primary' media reference (e.g. 'head shot')
removing the 'about' property of 'PlaceDescription' and specifying more meaning of the 'identifiers' property
Merge branch 'fact-qualifiers'
Merge branch 'multimedia-links'

Conflicts:
	specifications/conceptual-model-specification.md
Merge branch 'simpler-confidence-levels'
citation template requirements to be provided its own section. The definition of 'CitationTemplate' data type to be declared outside the scope of the spec.
citationTemplate property MUST conform to 3.5.1
refactoring out citation template support into a separate spec
Merge branch 'master' into fact-types-amnesty-apprenticeship-imprisonment