Do not switch to a range request for small PDFs
Merge pull request #4258 from Rob--W/network-reduce-requests

Do not switch to a range request for small PDFs
Merge pull request #4272 from brendandahl/change-test-font

Change test font to one that works with ttx v2.4.
Update ja locale
Merge #4274
Add adobe CMaps.
Use built in CMaps and unify the glyph mapping.