Old visitor port
Update clean/jsonify with names and spans
macro injection
Use compile_upto
Finish up enum + enum variant handling
Differentiate between resolved types and generic typaram types, and include the ids for typarams
De-copy, clone instead
Merge branch 'master' of https://github.com/cmr/rustdoc_ng

Conflicts:
	clean.rs
	main.rs
	visit.rs
doc attr folding and comment tag stripping