clarifying the 'lang' applies to the data, not the user
removing ambiguous references to '...the conclusions...' in the spec text
clarifying the definition of 'Agent'
removing ambiguous reference to 'AdultChristening'
recognizing attribution on non-top-level data types
specifying some basic data types that weren't explicitly defined
clarifying the source citation definition
removing the 'todo' references
clarifying 'sourcereference' definition
clarifying 'address'
Merge remote-tracking branch 'origin/master'

Conflicts:
	specifications/conceptual-model-specification.md
clarifying the notion of 'conclusion'