ksync communication for Windows

[Michał Cłapiński]

Dummy bug to create a pull request to contrail-controller with changes for ksync communication on Windows.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/37682
Submitter: Michal Clapinski (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/37682
Committed: http://github.com/Juniper/contrail-controller/commit/1598296d15398e585f7ad9a8944910be667aeb20
Submitter: Zuul (<email address hidden>)
Branch: master

commit 1598296d15398e585f7ad9a8944910be667aeb20
Author: Michał Cłapiński <email address hidden>
Date: Mon Nov 20 17:32:11 2017 +0100

KSync communication for Windows

Mixed changes related to src/ksync on Windows:
1. DELETE is a macro on Windows, changed it to DEL
2. bzero is deprecated, changed it to memset
3. Fixed bug where FD_CLOEXEC was used instead of EFD_CLOEXEC
4. Implemented KSyncSockNetlink constructor via pipes on Windows
5. Used work_queue for KSyncSock::Init on Windows

Initial changes:
https://github.com/sagarkchitnis/windows/commits/master/controller/src/ksync
Further work and cleanup:
https://github.com/codilime/contrail-controller/commits/windows3.1/src/ksync

Change-Id: I37f2d44a8f84ba62ed4baa8623abc3fe0658cb2c
Closes-Bug: #1733343