Adds @scheme to att.gaijiProp with a default value of "Unicode".
Adds <mapping> , <localProp>, <unicodeProp>, and <unihanProp> to att.datable.
It does not do the main item requested on that ticket (provide a mechanism for providing a range of versions to att.gaijiProp) because we have not actually figured exactly how to do that yet.
Per #2132 this PR does two things:
@schemeto att.gaijiProp with a default value of "Unicode".<mapping>,<localProp>,<unicodeProp>, and<unihanProp>to att.datable.It does not do the main item requested on that ticket (provide a mechanism for providing a range of versions to att.gaijiProp) because we have not actually figured exactly how to do that yet.