Merge 6.0.0 GA changes#5522

Merged

TravisEz13 merged 3 commits intoPowerShell:6.0.0from

TravisEz13:6.0.0-rc_changes

Nov 21, 2017

Commits on Nov 21, 2017

Change synopsis of install-powershell.ps1 to reflect that it works cross-platform (#5465)

bergmeister
authored and
TravisEz13
committed
[Feature] Fix AppVeyor Fails (#5520)

markekraus
authored and
TravisEz13
committed
Fix docker tests (#5508)
TravisEz13
committed