Port some commits from from joyent/node@master#1770

Merged

Fishrock123 merged 2 commits intonodejs:masterfrom Fishrock123:port-from-joyent/node

Jun 1, 2015

+30-78

Commits on Jun 1, 2015

docs: delete unused/duplicate css files

robertkowalski
authored and
Fishrock123
committed
docs: add return value for sync fs functions

tyleranton
authored and
Fishrock123
committed