Fix formatting of tables where headers span multiple rows#6504

Merged

iSazonov merged 4 commits intoPowerShell:masterfrom

SteveL-MSFT:format-table-header

Apr 3, 2018

Commits on Mar 28, 2018

In cases where the header spans multiple rows, need to correctly calculate whitespace and trim appropriately
SteveL-MSFT
committed
address Ilya's feedback
SteveL-MSFT
committed

Commits on Mar 29, 2018

added new ref assemblies to Files.wxs
SteveL-MSFT
committed

Commits on Apr 2, 2018

[package] force package tests
TravisEz13
authored