Re-applied PR 6267 to master to fix Windows/cygwin build#7141

Merged

LeeDr merged 2 commits intoelastic:masterfrom LeeDr:fix-build-windows-cygwin

May 5, 2016

+10-7

Commits on May 5, 2016

Re-applied PR 6267 to master to fix Windows/cygwin build
LeeDr
committed
Minor update to CONTRIBUTING.md for required Cygwin packages on Windows.
LeeDr
committed