update arrow
use ycb-based tokens like $$lib$$ instead of repeating subpaths

requires ycb@1.0.5; previously only the first token would be
replaced.
Changing the Node.js requirements for v0.6.
--keepTestReport for arrow 0.0.77
Merge pull request #1138 from isao/arrow

Arrow ~0.0.77, --keepTestReport, descriptors