D1458: workers: implemented worker on windows

[wlis (Wojciech Lis)]

wlis added a comment.


  The previous issues were related to fb-hgext remotefilelog and https://phab.mercurial-scm.org/D1513 fixes it on the side of remotefilelog.
  I will still need to test this code on a repo without remotefilelog to make sure that the normal filelog doesn't hit similar issues.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1458

To: wlis, #hg-reviewers
Cc: indygreg, mercurial-devel